diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_fbc.c')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_fbc.c | 800 |
1 files changed, 532 insertions, 268 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c index b453fcbd67da..bed2bba20b55 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.c +++ b/drivers/gpu/drm/i915/display/intel_fbc.c @@ -38,31 +38,38 @@ * forcibly disable it to allow proper screen updates. */ +#include <linux/debugfs.h> #include <linux/string_helpers.h> #include <drm/drm_blend.h> #include <drm/drm_fourcc.h> +#include "gem/i915_gem_stolen.h" +#include "gt/intel_gt_types.h" #include "i915_drv.h" #include "i915_reg.h" #include "i915_utils.h" #include "i915_vgpu.h" #include "i915_vma.h" +#include "i9xx_plane_regs.h" #include "intel_cdclk.h" #include "intel_de.h" #include "intel_display_device.h" +#include "intel_display_rpm.h" #include "intel_display_trace.h" #include "intel_display_types.h" +#include "intel_display_wa.h" #include "intel_fbc.h" +#include "intel_fbc_regs.h" #include "intel_frontbuffer.h" -#define for_each_fbc_id(__dev_priv, __fbc_id) \ +#define for_each_fbc_id(__display, __fbc_id) \ for ((__fbc_id) = INTEL_FBC_A; (__fbc_id) < I915_MAX_FBCS; (__fbc_id)++) \ - for_each_if(DISPLAY_RUNTIME_INFO(__dev_priv)->fbc_mask & BIT(__fbc_id)) + for_each_if(DISPLAY_RUNTIME_INFO(__display)->fbc_mask & BIT(__fbc_id)) -#define for_each_intel_fbc(__dev_priv, __fbc, __fbc_id) \ - for_each_fbc_id((__dev_priv), (__fbc_id)) \ - for_each_if((__fbc) = (__dev_priv)->display.fbc[(__fbc_id)]) +#define for_each_intel_fbc(__display, __fbc, __fbc_id) \ + for_each_fbc_id((__display), (__fbc_id)) \ + for_each_if((__fbc) = (__display)->fbc[(__fbc_id)]) struct intel_fbc_funcs { void (*activate)(struct intel_fbc *fbc); @@ -82,10 +89,11 @@ struct intel_fbc_state { u16 override_cfb_stride; u16 interval; s8 fence_id; + struct drm_rect dirty_rect; }; struct intel_fbc { - struct drm_i915_private *i915; + struct intel_display *display; const struct intel_fbc_funcs *funcs; /* @@ -135,21 +143,24 @@ static unsigned int intel_fbc_plane_stride(const struct intel_plane_state *plane return stride; } +static unsigned int intel_fbc_cfb_cpp(void) +{ + return 4; /* FBC always 4 bytes per pixel */ +} + /* plane stride based cfb stride in bytes, assuming 1:1 compression limit */ -static unsigned int _intel_fbc_cfb_stride(const struct intel_plane_state *plane_state) +static unsigned int intel_fbc_plane_cfb_stride(const struct intel_plane_state *plane_state) { - unsigned int cpp = 4; /* FBC always 4 bytes per pixel */ + unsigned int cpp = intel_fbc_cfb_cpp(); return intel_fbc_plane_stride(plane_state) * cpp; } /* minimum acceptable cfb stride in bytes, assuming 1:1 compression limit */ -static unsigned int skl_fbc_min_cfb_stride(const struct intel_plane_state *plane_state) +static unsigned int skl_fbc_min_cfb_stride(struct intel_display *display, + unsigned int cpp, unsigned int width) { - struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); unsigned int limit = 4; /* 1:4 compression limit is the worst case */ - unsigned int cpp = 4; /* FBC always 4 bytes per pixel */ - unsigned int width = drm_rect_width(&plane_state->uapi.src) >> 16; unsigned int height = 4; /* FBC segment is 4 lines */ unsigned int stride; @@ -160,7 +171,7 @@ static unsigned int skl_fbc_min_cfb_stride(const struct intel_plane_state *plane * Wa_16011863758: icl+ * Avoid some hardware segment address miscalculation. */ - if (DISPLAY_VER(i915) >= 11) + if (DISPLAY_VER(display) >= 11) stride += 64; /* @@ -174,40 +185,65 @@ static unsigned int skl_fbc_min_cfb_stride(const struct intel_plane_state *plane } /* properly aligned cfb stride in bytes, assuming 1:1 compression limit */ -static unsigned int intel_fbc_cfb_stride(const struct intel_plane_state *plane_state) +static unsigned int _intel_fbc_cfb_stride(struct intel_display *display, + unsigned int cpp, unsigned int width, + unsigned int stride) { - struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); - unsigned int stride = _intel_fbc_cfb_stride(plane_state); - /* * At least some of the platforms require each 4 line segment to * be 512 byte aligned. Aligning each line to 512 bytes guarantees * that regardless of the compression limit we choose later. */ - if (DISPLAY_VER(i915) >= 9) - return max(ALIGN(stride, 512), skl_fbc_min_cfb_stride(plane_state)); + if (DISPLAY_VER(display) >= 9) + return max(ALIGN(stride, 512), skl_fbc_min_cfb_stride(display, cpp, width)); else return stride; } -static unsigned int intel_fbc_cfb_size(const struct intel_plane_state *plane_state) +static unsigned int intel_fbc_cfb_stride(const struct intel_plane_state *plane_state) +{ + struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev); + unsigned int stride = intel_fbc_plane_cfb_stride(plane_state); + unsigned int width = drm_rect_width(&plane_state->uapi.src) >> 16; + unsigned int cpp = intel_fbc_cfb_cpp(); + + return _intel_fbc_cfb_stride(display, cpp, width, stride); +} + +/* + * Maximum height the hardware will compress, on HSW+ + * additional lines (up to the actual plane height) will + * remain uncompressed. + */ +static unsigned int intel_fbc_max_cfb_height(struct intel_display *display) +{ + if (DISPLAY_VER(display) >= 8) + return 2560; + else if (DISPLAY_VER(display) >= 5 || display->platform.g4x) + return 2048; + else + return 1536; +} + +static unsigned int _intel_fbc_cfb_size(struct intel_display *display, + unsigned int height, unsigned int stride) { - struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); - int lines = drm_rect_height(&plane_state->uapi.src) >> 16; + return min(height, intel_fbc_max_cfb_height(display)) * stride; +} - if (DISPLAY_VER(i915) == 7) - lines = min(lines, 2048); - else if (DISPLAY_VER(i915) >= 8) - lines = min(lines, 2560); +static unsigned int intel_fbc_cfb_size(const struct intel_plane_state *plane_state) +{ + struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev); + unsigned int height = drm_rect_height(&plane_state->uapi.src) >> 16; - return lines * intel_fbc_cfb_stride(plane_state); + return _intel_fbc_cfb_size(display, height, intel_fbc_cfb_stride(plane_state)); } static u16 intel_fbc_override_cfb_stride(const struct intel_plane_state *plane_state) { - struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); + struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev); unsigned int stride_aligned = intel_fbc_cfb_stride(plane_state); - unsigned int stride = _intel_fbc_cfb_stride(plane_state); + unsigned int stride = intel_fbc_plane_cfb_stride(plane_state); const struct drm_framebuffer *fb = plane_state->hw.fb; /* @@ -216,25 +252,35 @@ static u16 intel_fbc_override_cfb_stride(const struct intel_plane_state *plane_s * Gen9 hw miscalculates cfb stride for linear as * PLANE_STRIDE*512 instead of PLANE_STRIDE*64, so * we always need to use the override there. + * + * wa_14022269668 For bmg, always program the FBC_STRIDE before fbc enable */ if (stride != stride_aligned || - (DISPLAY_VER(i915) == 9 && fb->modifier == DRM_FORMAT_MOD_LINEAR)) + (DISPLAY_VER(display) == 9 && fb->modifier == DRM_FORMAT_MOD_LINEAR) || + display->platform.battlemage) return stride_aligned * 4 / 64; return 0; } +static bool intel_fbc_has_fences(struct intel_display *display) +{ + struct drm_i915_private __maybe_unused *i915 = to_i915(display->drm); + + return intel_gt_support_legacy_fencing(to_gt(i915)); +} + static u32 i8xx_fbc_ctl(struct intel_fbc *fbc) { + struct intel_display *display = fbc->display; const struct intel_fbc_state *fbc_state = &fbc->state; - struct drm_i915_private *i915 = fbc->i915; unsigned int cfb_stride; u32 fbc_ctl; cfb_stride = fbc_state->cfb_stride / fbc->limit; /* FBC_CTL wants 32B or 64B units */ - if (DISPLAY_VER(i915) == 2) + if (DISPLAY_VER(display) == 2) cfb_stride = (cfb_stride / 32) - 1; else cfb_stride = (cfb_stride / 64) - 1; @@ -243,7 +289,7 @@ static u32 i8xx_fbc_ctl(struct intel_fbc *fbc) FBC_CTL_INTERVAL(fbc_state->interval) | FBC_CTL_STRIDE(cfb_stride); - if (IS_I945GM(i915)) + if (display->platform.i945gm) fbc_ctl |= FBC_CTL_C3_IDLE; /* 945 needs special SR handling */ if (fbc_state->fence_id >= 0) @@ -268,82 +314,83 @@ static u32 i965_fbc_ctl2(struct intel_fbc *fbc) static void i8xx_fbc_deactivate(struct intel_fbc *fbc) { - struct drm_i915_private *i915 = fbc->i915; + struct intel_display *display = fbc->display; u32 fbc_ctl; /* Disable compression */ - fbc_ctl = intel_de_read(i915, FBC_CONTROL); + fbc_ctl = intel_de_read(display, FBC_CONTROL); if ((fbc_ctl & FBC_CTL_EN) == 0) return; fbc_ctl &= ~FBC_CTL_EN; - intel_de_write(i915, FBC_CONTROL, fbc_ctl); + intel_de_write(display, FBC_CONTROL, fbc_ctl); /* Wait for compressing bit to clear */ - if (intel_de_wait_for_clear(i915, FBC_STATUS, + if (intel_de_wait_for_clear(display, FBC_STATUS, FBC_STAT_COMPRESSING, 10)) { - drm_dbg_kms(&i915->drm, "FBC idle timed out\n"); + drm_dbg_kms(display->drm, "FBC idle timed out\n"); return; } } static void i8xx_fbc_activate(struct intel_fbc *fbc) { + struct intel_display *display = fbc->display; const struct intel_fbc_state *fbc_state = &fbc->state; - struct drm_i915_private *i915 = fbc->i915; int i; /* Clear old tags */ for (i = 0; i < (FBC_LL_SIZE / 32) + 1; i++) - intel_de_write(i915, FBC_TAG(i), 0); + intel_de_write(display, FBC_TAG(i), 0); - if (DISPLAY_VER(i915) == 4) { - intel_de_write(i915, FBC_CONTROL2, + if (DISPLAY_VER(display) == 4) { + intel_de_write(display, FBC_CONTROL2, i965_fbc_ctl2(fbc)); - intel_de_write(i915, FBC_FENCE_OFF, + intel_de_write(display, FBC_FENCE_OFF, fbc_state->fence_y_offset); } - intel_de_write(i915, FBC_CONTROL, + intel_de_write(display, FBC_CONTROL, FBC_CTL_EN | i8xx_fbc_ctl(fbc)); } static bool i8xx_fbc_is_active(struct intel_fbc *fbc) { - return intel_de_read(fbc->i915, FBC_CONTROL) & FBC_CTL_EN; + return intel_de_read(fbc->display, FBC_CONTROL) & FBC_CTL_EN; } static bool i8xx_fbc_is_compressing(struct intel_fbc *fbc) { - return intel_de_read(fbc->i915, FBC_STATUS) & + return intel_de_read(fbc->display, FBC_STATUS) & (FBC_STAT_COMPRESSING | FBC_STAT_COMPRESSED); } static void i8xx_fbc_nuke(struct intel_fbc *fbc) { + struct intel_display *display = fbc->display; struct intel_fbc_state *fbc_state = &fbc->state; enum i9xx_plane_id i9xx_plane = fbc_state->plane->i9xx_plane; - struct drm_i915_private *dev_priv = fbc->i915; - intel_de_write_fw(dev_priv, DSPADDR(i9xx_plane), - intel_de_read_fw(dev_priv, DSPADDR(i9xx_plane))); + intel_de_write_fw(display, DSPADDR(display, i9xx_plane), + intel_de_read_fw(display, DSPADDR(display, i9xx_plane))); } static void i8xx_fbc_program_cfb(struct intel_fbc *fbc) { - struct drm_i915_private *i915 = fbc->i915; + struct intel_display *display = fbc->display; + struct drm_i915_private *i915 = to_i915(display->drm); - drm_WARN_ON(&i915->drm, + drm_WARN_ON(display->drm, range_overflows_end_t(u64, i915_gem_stolen_area_address(i915), i915_gem_stolen_node_offset(&fbc->compressed_fb), U32_MAX)); - drm_WARN_ON(&i915->drm, + drm_WARN_ON(display->drm, range_overflows_end_t(u64, i915_gem_stolen_area_address(i915), i915_gem_stolen_node_offset(&fbc->compressed_llb), U32_MAX)); - intel_de_write(i915, FBC_CFB_BASE, + intel_de_write(display, FBC_CFB_BASE, i915_gem_stolen_node_address(i915, &fbc->compressed_fb)); - intel_de_write(i915, FBC_LL_BASE, + intel_de_write(display, FBC_LL_BASE, i915_gem_stolen_node_address(i915, &fbc->compressed_llb)); } @@ -358,12 +405,12 @@ static const struct intel_fbc_funcs i8xx_fbc_funcs = { static void i965_fbc_nuke(struct intel_fbc *fbc) { + struct intel_display *display = fbc->display; struct intel_fbc_state *fbc_state = &fbc->state; enum i9xx_plane_id i9xx_plane = fbc_state->plane->i9xx_plane; - struct drm_i915_private *dev_priv = fbc->i915; - intel_de_write_fw(dev_priv, DSPSURF(i9xx_plane), - intel_de_read_fw(dev_priv, DSPSURF(i9xx_plane))); + intel_de_write_fw(display, DSPSURF(display, i9xx_plane), + intel_de_read_fw(display, DSPSURF(display, i9xx_plane))); } static const struct intel_fbc_funcs i965_fbc_funcs = { @@ -392,20 +439,20 @@ static u32 g4x_dpfc_ctl_limit(struct intel_fbc *fbc) static u32 g4x_dpfc_ctl(struct intel_fbc *fbc) { + struct intel_display *display = fbc->display; const struct intel_fbc_state *fbc_state = &fbc->state; - struct drm_i915_private *i915 = fbc->i915; u32 dpfc_ctl; dpfc_ctl = g4x_dpfc_ctl_limit(fbc) | DPFC_CTL_PLANE_G4X(fbc_state->plane->i9xx_plane); - if (IS_G4X(i915)) + if (display->platform.g4x) dpfc_ctl |= DPFC_CTL_SR_EN; if (fbc_state->fence_id >= 0) { dpfc_ctl |= DPFC_CTL_FENCE_EN_G4X; - if (DISPLAY_VER(i915) < 6) + if (DISPLAY_VER(display) < 6) dpfc_ctl |= DPFC_CTL_FENCENO(fbc_state->fence_id); } @@ -414,44 +461,44 @@ static u32 g4x_dpfc_ctl(struct intel_fbc *fbc) static void g4x_fbc_activate(struct intel_fbc *fbc) { + struct intel_display *display = fbc->display; const struct intel_fbc_state *fbc_state = &fbc->state; - struct drm_i915_private *i915 = fbc->i915; - intel_de_write(i915, DPFC_FENCE_YOFF, + intel_de_write(display, DPFC_FENCE_YOFF, fbc_state->fence_y_offset); - intel_de_write(i915, DPFC_CONTROL, + intel_de_write(display, DPFC_CONTROL, DPFC_CTL_EN | g4x_dpfc_ctl(fbc)); } static void g4x_fbc_deactivate(struct intel_fbc *fbc) { - struct drm_i915_private *i915 = fbc->i915; + struct intel_display *display = fbc->display; u32 dpfc_ctl; /* Disable compression */ - dpfc_ctl = intel_de_read(i915, DPFC_CONTROL); + dpfc_ctl = intel_de_read(display, DPFC_CONTROL); if (dpfc_ctl & DPFC_CTL_EN) { dpfc_ctl &= ~DPFC_CTL_EN; - intel_de_write(i915, DPFC_CONTROL, dpfc_ctl); + intel_de_write(display, DPFC_CONTROL, dpfc_ctl); } } static bool g4x_fbc_is_active(struct intel_fbc *fbc) { - return intel_de_read(fbc->i915, DPFC_CONTROL) & DPFC_CTL_EN; + return intel_de_read(fbc->display, DPFC_CONTROL) & DPFC_CTL_EN; } static bool g4x_fbc_is_compressing(struct intel_fbc *fbc) { - return intel_de_read(fbc->i915, DPFC_STATUS) & DPFC_COMP_SEG_MASK; + return intel_de_read(fbc->display, DPFC_STATUS) & DPFC_COMP_SEG_MASK; } static void g4x_fbc_program_cfb(struct intel_fbc *fbc) { - struct drm_i915_private *i915 = fbc->i915; + struct intel_display *display = fbc->display; - intel_de_write(i915, DPFC_CB_BASE, + intel_de_write(display, DPFC_CB_BASE, i915_gem_stolen_node_offset(&fbc->compressed_fb)); } @@ -466,44 +513,65 @@ static const struct intel_fbc_funcs g4x_fbc_funcs = { static void ilk_fbc_activate(struct intel_fbc *fbc) { + struct intel_display *display = fbc->display; struct intel_fbc_state *fbc_state = &fbc->state; - struct drm_i915_private *i915 = fbc->i915; - intel_de_write(i915, ILK_DPFC_FENCE_YOFF(fbc->id), + intel_de_write(display, ILK_DPFC_FENCE_YOFF(fbc->id), fbc_state->fence_y_offset); - intel_de_write(i915, ILK_DPFC_CONTROL(fbc->id), + intel_de_write(display, ILK_DPFC_CONTROL(fbc->id), DPFC_CTL_EN | g4x_dpfc_ctl(fbc)); } +static void fbc_compressor_clkgate_disable_wa(struct intel_fbc *fbc, + bool disable) +{ + struct intel_display *display = fbc->display; + + if (display->platform.dg2) + intel_de_rmw(display, GEN9_CLKGATE_DIS_4, DG2_DPFC_GATING_DIS, + disable ? DG2_DPFC_GATING_DIS : 0); + else if (DISPLAY_VER(display) >= 14) + intel_de_rmw(display, MTL_PIPE_CLKGATE_DIS2(fbc->id), + MTL_DPFC_GATING_DIS, + disable ? MTL_DPFC_GATING_DIS : 0); +} + static void ilk_fbc_deactivate(struct intel_fbc *fbc) { - struct drm_i915_private *i915 = fbc->i915; + struct intel_display *display = fbc->display; u32 dpfc_ctl; + if (HAS_FBC_DIRTY_RECT(display)) + intel_de_write(display, XE3_FBC_DIRTY_CTL(fbc->id), 0); + /* Disable compression */ - dpfc_ctl = intel_de_read(i915, ILK_DPFC_CONTROL(fbc->id)); + dpfc_ctl = intel_de_read(display, ILK_DPFC_CONTROL(fbc->id)); if (dpfc_ctl & DPFC_CTL_EN) { dpfc_ctl &= ~DPFC_CTL_EN; - intel_de_write(i915, ILK_DPFC_CONTROL(fbc->id), dpfc_ctl); + intel_de_write(display, ILK_DPFC_CONTROL(fbc->id), dpfc_ctl); + + /* wa_18038517565 Enable DPFC clock gating after FBC disable */ + if (display->platform.dg2 || DISPLAY_VER(display) >= 14) + fbc_compressor_clkgate_disable_wa(fbc, false); } } static bool ilk_fbc_is_active(struct intel_fbc *fbc) { - return intel_de_read(fbc->i915, ILK_DPFC_CONTROL(fbc->id)) & DPFC_CTL_EN; + return intel_de_read(fbc->display, ILK_DPFC_CONTROL(fbc->id)) & DPFC_CTL_EN; } static bool ilk_fbc_is_compressing(struct intel_fbc *fbc) { - return intel_de_read(fbc->i915, ILK_DPFC_STATUS(fbc->id)) & DPFC_COMP_SEG_MASK; + return intel_de_read(fbc->display, ILK_DPFC_STATUS(fbc->id)) & DPFC_COMP_SEG_MASK; } static void ilk_fbc_program_cfb(struct intel_fbc *fbc) { - struct drm_i915_private *i915 = fbc->i915; + struct intel_display *display = fbc->display; - intel_de_write(i915, ILK_DPFC_CB_BASE(fbc->id), + intel_de_write(display, ILK_DPFC_CB_BASE(fbc->id), i915_gem_stolen_node_offset(&fbc->compressed_fb)); } @@ -518,15 +586,15 @@ static const struct intel_fbc_funcs ilk_fbc_funcs = { static void snb_fbc_program_fence(struct intel_fbc *fbc) { + struct intel_display *display = fbc->display; const struct intel_fbc_state *fbc_state = &fbc->state; - struct drm_i915_private *i915 = fbc->i915; u32 ctl = 0; if (fbc_state->fence_id >= 0) ctl = SNB_DPFC_FENCE_EN | SNB_DPFC_FENCENO(fbc_state->fence_id); - intel_de_write(i915, SNB_DPFC_CTL_SA, ctl); - intel_de_write(i915, SNB_DPFC_CPU_FENCE_OFFSET, fbc_state->fence_y_offset); + intel_de_write(display, SNB_DPFC_CTL_SA, ctl); + intel_de_write(display, SNB_DPFC_CPU_FENCE_OFFSET, fbc_state->fence_y_offset); } static void snb_fbc_activate(struct intel_fbc *fbc) @@ -538,10 +606,10 @@ static void snb_fbc_activate(struct intel_fbc *fbc) static void snb_fbc_nuke(struct intel_fbc *fbc) { - struct drm_i915_private *i915 = fbc->i915; + struct intel_display *display = fbc->display; - intel_de_write(i915, MSG_FBC_REND_STATE(fbc->id), FBC_REND_NUKE); - intel_de_posting_read(i915, MSG_FBC_REND_STATE(fbc->id)); + intel_de_write(display, MSG_FBC_REND_STATE(fbc->id), FBC_REND_NUKE); + intel_de_posting_read(display, MSG_FBC_REND_STATE(fbc->id)); } static const struct intel_fbc_funcs snb_fbc_funcs = { @@ -555,21 +623,21 @@ static const struct intel_fbc_funcs snb_fbc_funcs = { static void glk_fbc_program_cfb_stride(struct intel_fbc *fbc) { + struct intel_display *display = fbc->display; const struct intel_fbc_state *fbc_state = &fbc->state; - struct drm_i915_private *i915 = fbc->i915; u32 val = 0; if (fbc_state->override_cfb_stride) val |= FBC_STRIDE_OVERRIDE | FBC_STRIDE(fbc_state->override_cfb_stride / fbc->limit); - intel_de_write(i915, GLK_FBC_STRIDE(fbc->id), val); + intel_de_write(display, GLK_FBC_STRIDE(fbc->id), val); } static void skl_fbc_program_cfb_stride(struct intel_fbc *fbc) { + struct intel_display *display = fbc->display; const struct intel_fbc_state *fbc_state = &fbc->state; - struct drm_i915_private *i915 = fbc->i915; u32 val = 0; /* Display WA #0529: skl, kbl, bxt. */ @@ -577,23 +645,23 @@ static void skl_fbc_program_cfb_stride(struct intel_fbc *fbc) val |= CHICKEN_FBC_STRIDE_OVERRIDE | CHICKEN_FBC_STRIDE(fbc_state->override_cfb_stride / fbc->limit); - intel_de_rmw(i915, CHICKEN_MISC_4, + intel_de_rmw(display, CHICKEN_MISC_4, CHICKEN_FBC_STRIDE_OVERRIDE | CHICKEN_FBC_STRIDE_MASK, val); } static u32 ivb_dpfc_ctl(struct intel_fbc *fbc) { + struct intel_display *display = fbc->display; const struct intel_fbc_state *fbc_state = &fbc->state; - struct drm_i915_private *i915 = fbc->i915; u32 dpfc_ctl; dpfc_ctl = g4x_dpfc_ctl_limit(fbc); - if (IS_IVYBRIDGE(i915)) + if (display->platform.ivybridge) dpfc_ctl |= DPFC_CTL_PLANE_IVB(fbc_state->plane->i9xx_plane); - if (DISPLAY_VER(i915) >= 20) + if (DISPLAY_VER(display) >= 20) dpfc_ctl |= DPFC_CTL_PLANE_BINDING(fbc_state->plane->id); if (fbc_state->fence_id >= 0) @@ -607,35 +675,39 @@ static u32 ivb_dpfc_ctl(struct intel_fbc *fbc) static void ivb_fbc_activate(struct intel_fbc *fbc) { - struct drm_i915_private *i915 = fbc->i915; + struct intel_display *display = fbc->display; u32 dpfc_ctl; - if (DISPLAY_VER(i915) >= 10) + if (DISPLAY_VER(display) >= 10) glk_fbc_program_cfb_stride(fbc); - else if (DISPLAY_VER(i915) == 9) + else if (DISPLAY_VER(display) == 9) skl_fbc_program_cfb_stride(fbc); - if (intel_gt_support_legacy_fencing(to_gt(i915))) + if (intel_fbc_has_fences(display)) snb_fbc_program_fence(fbc); /* wa_14019417088 Alternative WA*/ dpfc_ctl = ivb_dpfc_ctl(fbc); - if (DISPLAY_VER(i915) >= 20) - intel_de_write(i915, ILK_DPFC_CONTROL(fbc->id), dpfc_ctl); + if (DISPLAY_VER(display) >= 20) + intel_de_write(display, ILK_DPFC_CONTROL(fbc->id), dpfc_ctl); + + if (HAS_FBC_DIRTY_RECT(display)) + intel_de_write(display, XE3_FBC_DIRTY_CTL(fbc->id), + FBC_DIRTY_RECT_EN); - intel_de_write(i915, ILK_DPFC_CONTROL(fbc->id), + intel_de_write(display, ILK_DPFC_CONTROL(fbc->id), DPFC_CTL_EN | dpfc_ctl); } static bool ivb_fbc_is_compressing(struct intel_fbc *fbc) { - return intel_de_read(fbc->i915, ILK_DPFC_STATUS2(fbc->id)) & DPFC_COMP_SEG_MASK_IVB; + return intel_de_read(fbc->display, ILK_DPFC_STATUS2(fbc->id)) & DPFC_COMP_SEG_MASK_IVB; } static void ivb_fbc_set_false_color(struct intel_fbc *fbc, bool enable) { - intel_de_rmw(fbc->i915, ILK_DPFC_CONTROL(fbc->id), + intel_de_rmw(fbc->display, ILK_DPFC_CONTROL(fbc->id), DPFC_CTL_FALSE_COLOR, enable ? DPFC_CTL_FALSE_COLOR : 0); } @@ -680,10 +752,10 @@ static bool intel_fbc_is_compressing(struct intel_fbc *fbc) static void intel_fbc_nuke(struct intel_fbc *fbc) { - struct drm_i915_private *i915 = fbc->i915; + struct intel_display *display = fbc->display; lockdep_assert_held(&fbc->lock); - drm_WARN_ON(&i915->drm, fbc->flip_pending); + drm_WARN_ON(display->drm, fbc->flip_pending); trace_intel_fbc_nuke(fbc->state.plane); @@ -692,8 +764,19 @@ static void intel_fbc_nuke(struct intel_fbc *fbc) static void intel_fbc_activate(struct intel_fbc *fbc) { + struct intel_display *display = fbc->display; + lockdep_assert_held(&fbc->lock); + /* only the fence can change for a flip nuke */ + if (fbc->active && !intel_fbc_has_fences(display)) + return; + /* + * In case of FBC dirt rect, any updates to the FBC registers will + * trigger the nuke. + */ + drm_WARN_ON(display->drm, fbc->active && HAS_FBC_DIRTY_RECT(display)); + intel_fbc_hw_activate(fbc); intel_fbc_nuke(fbc); @@ -710,29 +793,30 @@ static void intel_fbc_deactivate(struct intel_fbc *fbc, const char *reason) fbc->no_fbc_reason = reason; } -static u64 intel_fbc_cfb_base_max(struct drm_i915_private *i915) +static u64 intel_fbc_cfb_base_max(struct intel_display *display) { - if (DISPLAY_VER(i915) >= 5 || IS_G4X(i915)) + if (DISPLAY_VER(display) >= 5 || display->platform.g4x) return BIT_ULL(28); else return BIT_ULL(32); } -static u64 intel_fbc_stolen_end(struct drm_i915_private *i915) +static u64 intel_fbc_stolen_end(struct intel_display *display) { + struct drm_i915_private __maybe_unused *i915 = to_i915(display->drm); u64 end; /* The FBC hardware for BDW/SKL doesn't have access to the stolen * reserved range size, so it always assumes the maximum (8mb) is used. * If we enable FBC using a CFB on that memory range we'll get FIFO * underruns, even if that range is not reserved by the BIOS. */ - if (IS_BROADWELL(i915) || - (DISPLAY_VER(i915) == 9 && !IS_BROXTON(i915))) + if (display->platform.broadwell || + (DISPLAY_VER(display) == 9 && !display->platform.broxton)) end = i915_gem_stolen_area_size(i915) - 8 * 1024 * 1024; else end = U64_MAX; - return min(end, intel_fbc_cfb_base_max(i915)); + return min(end, intel_fbc_cfb_base_max(display)); } static int intel_fbc_min_limit(const struct intel_plane_state *plane_state) @@ -740,10 +824,10 @@ static int intel_fbc_min_limit(const struct intel_plane_state *plane_state) return plane_state->hw.fb->format->cpp[0] == 2 ? 2 : 1; } -static int intel_fbc_max_limit(struct drm_i915_private *i915) +static int intel_fbc_max_limit(struct intel_display *display) { /* WaFbcOnly1to1Ratio:ctg */ - if (IS_G4X(i915)) + if (display->platform.g4x) return 1; /* @@ -756,8 +840,9 @@ static int intel_fbc_max_limit(struct drm_i915_private *i915) static int find_compression_limit(struct intel_fbc *fbc, unsigned int size, int min_limit) { - struct drm_i915_private *i915 = fbc->i915; - u64 end = intel_fbc_stolen_end(i915); + struct intel_display *display = fbc->display; + struct drm_i915_private *i915 = to_i915(display->drm); + u64 end = intel_fbc_stolen_end(display); int ret, limit = min_limit; size /= limit; @@ -768,7 +853,7 @@ static int find_compression_limit(struct intel_fbc *fbc, if (ret == 0) return limit; - for (; limit <= intel_fbc_max_limit(i915); limit <<= 1) { + for (; limit <= intel_fbc_max_limit(display); limit <<= 1) { ret = i915_gem_stolen_insert_node_in_range(i915, &fbc->compressed_fb, size >>= 1, 4096, 0, end); if (ret == 0) @@ -781,15 +866,16 @@ static int find_compression_limit(struct intel_fbc *fbc, static int intel_fbc_alloc_cfb(struct intel_fbc *fbc, unsigned int size, int min_limit) { - struct drm_i915_private *i915 = fbc->i915; + struct intel_display *display = fbc->display; + struct drm_i915_private *i915 = to_i915(display->drm); int ret; - drm_WARN_ON(&i915->drm, + drm_WARN_ON(display->drm, i915_gem_stolen_node_allocated(&fbc->compressed_fb)); - drm_WARN_ON(&i915->drm, + drm_WARN_ON(display->drm, i915_gem_stolen_node_allocated(&fbc->compressed_llb)); - if (DISPLAY_VER(i915) < 5 && !IS_G4X(i915)) { + if (DISPLAY_VER(display) < 5 && !display->platform.g4x) { ret = i915_gem_stolen_insert_node(i915, &fbc->compressed_llb, 4096, 4096); if (ret) @@ -800,12 +886,12 @@ static int intel_fbc_alloc_cfb(struct intel_fbc *fbc, if (!ret) goto err_llb; else if (ret > min_limit) - drm_info_once(&i915->drm, + drm_info_once(display->drm, "Reducing the compressed framebuffer size. This may lead to less power savings than a non-reduced-size. Try to increase stolen memory size if available in BIOS.\n"); fbc->limit = ret; - drm_dbg_kms(&i915->drm, + drm_dbg_kms(display->drm, "reserved %llu bytes of contiguous stolen space for FBC, limit: %d\n", i915_gem_stolen_node_size(&fbc->compressed_fb), fbc->limit); return 0; @@ -815,7 +901,8 @@ err_llb: i915_gem_stolen_remove_node(i915, &fbc->compressed_llb); err: if (i915_gem_stolen_initialized(i915)) - drm_info_once(&i915->drm, "not enough stolen space for compressed buffer (need %d more bytes), disabling. Hint: you may be able to increase stolen memory size in the BIOS to avoid this.\n", size); + drm_info_once(display->drm, + "not enough stolen space for compressed buffer (need %d more bytes), disabling. Hint: you may be able to increase stolen memory size in the BIOS to avoid this.\n", size); return -ENOSPC; } @@ -826,15 +913,46 @@ static void intel_fbc_program_cfb(struct intel_fbc *fbc) static void intel_fbc_program_workarounds(struct intel_fbc *fbc) { + struct intel_display *display = fbc->display; + + if (display->platform.skylake || display->platform.broxton) { + /* + * WaFbcHighMemBwCorruptionAvoidance:skl,bxt + * Display WA #0883: skl,bxt + */ + intel_de_rmw(display, ILK_DPFC_CHICKEN(fbc->id), + 0, DPFC_DISABLE_DUMMY0); + } + + if (display->platform.skylake || display->platform.kabylake || + display->platform.coffeelake || display->platform.cometlake) { + /* + * WaFbcNukeOnHostModify:skl,kbl,cfl + * Display WA #0873: skl,kbl,cfl + */ + intel_de_rmw(display, ILK_DPFC_CHICKEN(fbc->id), + 0, DPFC_NUKE_ON_ANY_MODIFICATION); + } + + /* Wa_1409120013:icl,jsl,tgl,dg1 */ + if (IS_DISPLAY_VER(display, 11, 12)) + intel_de_rmw(display, ILK_DPFC_CHICKEN(fbc->id), + 0, DPFC_CHICKEN_COMP_DUMMY_PIXEL); + /* Wa_22014263786:icl,jsl,tgl,dg1,rkl,adls,adlp,mtl */ - if (DISPLAY_VER(fbc->i915) >= 11 && !IS_DG2(fbc->i915)) - intel_de_rmw(fbc->i915, ILK_DPFC_CHICKEN(fbc->id), 0, - DPFC_CHICKEN_FORCE_SLB_INVALIDATION); + if (DISPLAY_VER(display) >= 11 && !display->platform.dg2) + intel_de_rmw(display, ILK_DPFC_CHICKEN(fbc->id), + 0, DPFC_CHICKEN_FORCE_SLB_INVALIDATION); + + /* wa_18038517565 Disable DPFC clock gating before FBC enable */ + if (display->platform.dg2 || DISPLAY_VER(display) >= 14) + fbc_compressor_clkgate_disable_wa(fbc, true); } static void __intel_fbc_cleanup_cfb(struct intel_fbc *fbc) { - struct drm_i915_private *i915 = fbc->i915; + struct intel_display *display = fbc->display; + struct drm_i915_private *i915 = to_i915(display->drm); if (WARN_ON(intel_fbc_hw_is_active(fbc))) return; @@ -845,12 +963,12 @@ static void __intel_fbc_cleanup_cfb(struct intel_fbc *fbc) i915_gem_stolen_remove_node(i915, &fbc->compressed_fb); } -void intel_fbc_cleanup(struct drm_i915_private *i915) +void intel_fbc_cleanup(struct intel_display *display) { struct intel_fbc *fbc; enum intel_fbc_id fbc_id; - for_each_intel_fbc(i915, fbc, fbc_id) { + for_each_intel_fbc(display, fbc, fbc_id) { mutex_lock(&fbc->lock); __intel_fbc_cleanup_cfb(fbc); mutex_unlock(&fbc->lock); @@ -902,15 +1020,15 @@ static bool icl_fbc_stride_is_valid(const struct intel_plane_state *plane_state) static bool stride_is_valid(const struct intel_plane_state *plane_state) { - struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); + struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev); - if (DISPLAY_VER(i915) >= 11) + if (DISPLAY_VER(display) >= 11) return icl_fbc_stride_is_valid(plane_state); - else if (DISPLAY_VER(i915) >= 9) + else if (DISPLAY_VER(display) >= 9) return skl_fbc_stride_is_valid(plane_state); - else if (DISPLAY_VER(i915) >= 5 || IS_G4X(i915)) + else if (DISPLAY_VER(display) >= 5 || display->platform.g4x) return g4x_fbc_stride_is_valid(plane_state); - else if (DISPLAY_VER(i915) == 4) + else if (DISPLAY_VER(display) == 4) return i965_fbc_stride_is_valid(plane_state); else return i8xx_fbc_stride_is_valid(plane_state); @@ -918,7 +1036,7 @@ static bool stride_is_valid(const struct intel_plane_state *plane_state) static bool i8xx_fbc_pixel_format_is_valid(const struct intel_plane_state *plane_state) { - struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); + struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev); const struct drm_framebuffer *fb = plane_state->hw.fb; switch (fb->format->format) { @@ -928,7 +1046,7 @@ static bool i8xx_fbc_pixel_format_is_valid(const struct intel_plane_state *plane case DRM_FORMAT_XRGB1555: case DRM_FORMAT_RGB565: /* 16bpp not supported on gen2 */ - if (DISPLAY_VER(i915) == 2) + if (DISPLAY_VER(display) == 2) return false; return true; default: @@ -938,7 +1056,7 @@ static bool i8xx_fbc_pixel_format_is_valid(const struct intel_plane_state *plane static bool g4x_fbc_pixel_format_is_valid(const struct intel_plane_state *plane_state) { - struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); + struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev); const struct drm_framebuffer *fb = plane_state->hw.fb; switch (fb->format->format) { @@ -947,7 +1065,7 @@ static bool g4x_fbc_pixel_format_is_valid(const struct intel_plane_state *plane_ return true; case DRM_FORMAT_RGB565: /* WaFbcOnly1to1Ratio:ctg */ - if (IS_G4X(i915)) + if (display->platform.g4x) return false; return true; default: @@ -973,11 +1091,11 @@ static bool lnl_fbc_pixel_format_is_valid(const struct intel_plane_state *plane_ static bool pixel_format_is_valid(const struct intel_plane_state *plane_state) { - struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); + struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev); - if (DISPLAY_VER(i915) >= 20) + if (DISPLAY_VER(display) >= 20) return lnl_fbc_pixel_format_is_valid(plane_state); - else if (DISPLAY_VER(i915) >= 5 || IS_G4X(i915)) + else if (DISPLAY_VER(display) >= 5 || display->platform.g4x) return g4x_fbc_pixel_format_is_valid(plane_state); else return i8xx_fbc_pixel_format_is_valid(plane_state); @@ -1007,43 +1125,49 @@ static bool skl_fbc_rotation_is_valid(const struct intel_plane_state *plane_stat static bool rotation_is_valid(const struct intel_plane_state *plane_state) { - struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); + struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev); - if (DISPLAY_VER(i915) >= 9) + if (DISPLAY_VER(display) >= 9) return skl_fbc_rotation_is_valid(plane_state); - else if (DISPLAY_VER(i915) >= 5 || IS_G4X(i915)) + else if (DISPLAY_VER(display) >= 5 || display->platform.g4x) return g4x_fbc_rotation_is_valid(plane_state); else return i8xx_fbc_rotation_is_valid(plane_state); } +static void intel_fbc_max_surface_size(struct intel_display *display, + unsigned int *w, unsigned int *h) +{ + if (DISPLAY_VER(display) >= 11) { + *w = 8192; + *h = 4096; + } else if (DISPLAY_VER(display) >= 10) { + *w = 5120; + *h = 4096; + } else if (DISPLAY_VER(display) >= 7) { + *w = 4096; + *h = 4096; + } else if (DISPLAY_VER(display) >= 5 || display->platform.g4x) { + *w = 4096; + *h = 2048; + } else { + *w = 2048; + *h = 1536; + } +} + /* * For some reason, the hardware tracking starts looking at whatever we * programmed as the display plane base address register. It does not look at * the X and Y offset registers. That's why we include the src x/y offsets * instead of just looking at the plane size. */ -static bool intel_fbc_hw_tracking_covers_screen(const struct intel_plane_state *plane_state) +static bool intel_fbc_surface_size_ok(const struct intel_plane_state *plane_state) { - struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); + struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev); unsigned int effective_w, effective_h, max_w, max_h; - if (DISPLAY_VER(i915) >= 11) { - max_w = 8192; - max_h = 4096; - } else if (DISPLAY_VER(i915) >= 10) { - max_w = 5120; - max_h = 4096; - } else if (DISPLAY_VER(i915) >= 7) { - max_w = 4096; - max_h = 4096; - } else if (IS_G4X(i915) || DISPLAY_VER(i915) >= 5) { - max_w = 4096; - max_h = 2048; - } else { - max_w = 2048; - max_h = 1536; - } + intel_fbc_max_surface_size(display, &max_w, &max_h); effective_w = plane_state->view.color_plane[0].x + (drm_rect_width(&plane_state->uapi.src) >> 16); @@ -1053,24 +1177,30 @@ static bool intel_fbc_hw_tracking_covers_screen(const struct intel_plane_state * return effective_w <= max_w && effective_h <= max_h; } +static void intel_fbc_max_plane_size(struct intel_display *display, + unsigned int *w, unsigned int *h) +{ + if (DISPLAY_VER(display) >= 10) { + *w = 5120; + *h = 4096; + } else if (DISPLAY_VER(display) >= 8 || display->platform.haswell) { + *w = 4096; + *h = 4096; + } else if (DISPLAY_VER(display) >= 5 || display->platform.g4x) { + *w = 4096; + *h = 2048; + } else { + *w = 2048; + *h = 1536; + } +} + static bool intel_fbc_plane_size_valid(const struct intel_plane_state *plane_state) { - struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); + struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev); unsigned int w, h, max_w, max_h; - if (DISPLAY_VER(i915) >= 10) { - max_w = 5120; - max_h = 4096; - } else if (DISPLAY_VER(i915) >= 8 || IS_HASWELL(i915)) { - max_w = 4096; - max_h = 4096; - } else if (IS_G4X(i915) || DISPLAY_VER(i915) >= 5) { - max_w = 4096; - max_h = 2048; - } else { - max_w = 2048; - max_h = 1536; - } + intel_fbc_max_plane_size(display, &max_w, &max_h); w = drm_rect_width(&plane_state->uapi.src) >> 16; h = drm_rect_height(&plane_state->uapi.src) >> 16; @@ -1092,19 +1222,87 @@ static bool skl_fbc_tiling_valid(const struct intel_plane_state *plane_state) static bool tiling_is_valid(const struct intel_plane_state *plane_state) { - struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); + struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev); - if (DISPLAY_VER(i915) >= 9) + if (DISPLAY_VER(display) >= 9) return skl_fbc_tiling_valid(plane_state); else return i8xx_fbc_tiling_valid(plane_state); } +static void +intel_fbc_invalidate_dirty_rect(struct intel_fbc *fbc) +{ + lockdep_assert_held(&fbc->lock); + + fbc->state.dirty_rect = DRM_RECT_INIT(0, 0, 0, 0); +} + +static void +intel_fbc_program_dirty_rect(struct intel_dsb *dsb, struct intel_fbc *fbc, + const struct drm_rect *fbc_dirty_rect) +{ + struct intel_display *display = fbc->display; + + drm_WARN_ON(display->drm, fbc_dirty_rect->y2 == 0); + + intel_de_write_dsb(display, dsb, XE3_FBC_DIRTY_RECT(fbc->id), + FBC_DIRTY_RECT_START_LINE(fbc_dirty_rect->y1) | + FBC_DIRTY_RECT_END_LINE(fbc_dirty_rect->y2 - 1)); +} + +static void +intel_fbc_dirty_rect_update(struct intel_dsb *dsb, struct intel_fbc *fbc) +{ + const struct drm_rect *fbc_dirty_rect = &fbc->state.dirty_rect; + + lockdep_assert_held(&fbc->lock); + + if (!drm_rect_visible(fbc_dirty_rect)) + return; + + intel_fbc_program_dirty_rect(dsb, fbc, fbc_dirty_rect); +} + +void +intel_fbc_dirty_rect_update_noarm(struct intel_dsb *dsb, + struct intel_plane *plane) +{ + struct intel_display *display = to_intel_display(plane); + struct intel_fbc *fbc = plane->fbc; + + if (!HAS_FBC_DIRTY_RECT(display)) + return; + + mutex_lock(&fbc->lock); + + if (fbc->state.plane == plane) + intel_fbc_dirty_rect_update(dsb, fbc); + + mutex_unlock(&fbc->lock); +} + +static void +intel_fbc_hw_intialize_dirty_rect(struct intel_fbc *fbc, + const struct intel_plane_state *plane_state) +{ + struct drm_rect src; + + /* + * Initializing the FBC HW with the whole plane area as the dirty rect. + * This is to ensure that we have valid coords be written to the + * HW as dirty rect. + */ + drm_rect_fp_to_int(&src, &plane_state->uapi.src); + + intel_fbc_program_dirty_rect(NULL, fbc, &src); +} + static void intel_fbc_update_state(struct intel_atomic_state *state, struct intel_crtc *crtc, struct intel_plane *plane) { - struct drm_i915_private *i915 = to_i915(state->base.dev); + struct intel_display *display = to_intel_display(state->base.dev); const struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc); const struct intel_plane_state *plane_state = @@ -1122,8 +1320,8 @@ static void intel_fbc_update_state(struct intel_atomic_state *state, fbc_state->fence_y_offset = intel_plane_fence_y_offset(plane_state); - drm_WARN_ON(&i915->drm, plane_state->flags & PLANE_HAS_FENCE && - !intel_gt_support_legacy_fencing(to_gt(i915))); + drm_WARN_ON(display->drm, plane_state->flags & PLANE_HAS_FENCE && + !intel_fbc_has_fences(display)); if (plane_state->flags & PLANE_HAS_FENCE) fbc_state->fence_id = i915_vma_fence_id(plane_state->ggtt_vma); @@ -1137,7 +1335,7 @@ static void intel_fbc_update_state(struct intel_atomic_state *state, static bool intel_fbc_is_fence_ok(const struct intel_plane_state *plane_state) { - struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); + struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev); /* * The use of a CPU fence is one of two ways to detect writes by the @@ -1151,7 +1349,7 @@ static bool intel_fbc_is_fence_ok(const struct intel_plane_state *plane_state) * so have no fence associated with it) due to aperture constraints * at the time of pinning. */ - return DISPLAY_VER(i915) >= 9 || + return DISPLAY_VER(display) >= 9 || (plane_state->flags & PLANE_HAS_FENCE && i915_vma_fence_id(plane_state->ggtt_vma) != -1); } @@ -1173,10 +1371,67 @@ static bool intel_fbc_is_ok(const struct intel_plane_state *plane_state) intel_fbc_is_cfb_ok(plane_state); } +static void +__intel_fbc_prepare_dirty_rect(const struct intel_plane_state *plane_state, + const struct intel_crtc_state *crtc_state) +{ + struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane); + struct intel_fbc *fbc = plane->fbc; + struct drm_rect *fbc_dirty_rect = &fbc->state.dirty_rect; + int width = drm_rect_width(&plane_state->uapi.src) >> 16; + const struct drm_rect *damage = &plane_state->damage; + int y_offset = plane_state->view.color_plane[0].y; + + lockdep_assert_held(&fbc->lock); + + if (intel_crtc_needs_modeset(crtc_state) || + !intel_fbc_is_ok(plane_state)) { + intel_fbc_invalidate_dirty_rect(fbc); + return; + } + + if (drm_rect_visible(damage)) + *fbc_dirty_rect = *damage; + else + /* dirty rect must cover at least one line */ + *fbc_dirty_rect = DRM_RECT_INIT(0, y_offset, width, 1); +} + +void +intel_fbc_prepare_dirty_rect(struct intel_atomic_state *state, + struct intel_crtc *crtc) +{ + struct intel_display *display = to_intel_display(state); + const struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); + struct intel_plane_state *plane_state; + struct intel_plane *plane; + int i; + + if (!HAS_FBC_DIRTY_RECT(display)) + return; + + for_each_new_intel_plane_in_state(state, plane, plane_state, i) { + struct intel_fbc *fbc = plane->fbc; + + if (!fbc || plane->pipe != crtc->pipe) + continue; + + mutex_lock(&fbc->lock); + + if (fbc->state.plane == plane) + __intel_fbc_prepare_dirty_rect(plane_state, + crtc_state); + + mutex_unlock(&fbc->lock); + } +} + static int intel_fbc_check_plane(struct intel_atomic_state *state, struct intel_plane *plane) { - struct drm_i915_private *i915 = to_i915(state->base.dev); + struct intel_display *display = to_intel_display(state->base.dev); + struct drm_i915_private *i915 = to_i915(display->drm); struct intel_plane_state *plane_state = intel_atomic_get_new_plane_state(state, plane); const struct drm_framebuffer *fb = plane_state->hw.fb; @@ -1197,7 +1452,7 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state, return 0; } - if (!i915->display.params.enable_fbc) { + if (!display->params.enable_fbc) { plane_state->no_fbc_reason = "disabled per module param or by default"; return 0; } @@ -1207,6 +1462,17 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state, return 0; } + if (intel_display_needs_wa_16023588340(display)) { + plane_state->no_fbc_reason = "Wa_16023588340"; + return 0; + } + + /* WaFbcTurnOffFbcWhenHyperVisorIsUsed:skl,bxt */ + if (i915_vtd_active(i915) && (display->platform.skylake || display->platform.broxton)) { + plane_state->no_fbc_reason = "VT-d enabled"; + return 0; + } + crtc_state = intel_atomic_get_new_crtc_state(state, crtc); if (crtc_state->hw.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) { @@ -1223,16 +1489,23 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state, * Display 12+ is not supporting FBC with PSR2. * Recommendation is to keep this combination disabled * Bspec: 50422 HSD: 14010260002 + * + * TODO: Implement a logic to select between PSR2 selective fetch and + * FBC based on Bspec: 68881 in xe2lpd onwards. + * + * As we still see some strange underruns in those platforms while + * disabling PSR2, keep FBC disabled in case of selective update is on + * until the selection logic is implemented. */ - if (IS_DISPLAY_VER(i915, 12, 14) && crtc_state->has_psr2) { - plane_state->no_fbc_reason = "PSR2 enabled"; + if (DISPLAY_VER(display) >= 12 && crtc_state->has_sel_update) { + plane_state->no_fbc_reason = "Selective update enabled"; return 0; } /* Wa_14016291713 */ - if ((IS_DISPLAY_VER(i915, 12, 13) || - IS_DISPLAY_IP_STEP(i915, IP_VER(14, 0), STEP_A0, STEP_C0)) && - crtc_state->has_psr) { + if ((IS_DISPLAY_VER(display, 12, 13) || + IS_DISPLAY_VERx100_STEP(display, 1400, STEP_A0, STEP_C0)) && + crtc_state->has_psr && !crtc_state->has_panel_replay) { plane_state->no_fbc_reason = "PSR1 enabled (Wa_14016291713)"; return 0; } @@ -1257,7 +1530,7 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state, return 0; } - if (DISPLAY_VER(i915) < 20 && + if (DISPLAY_VER(display) < 20 && plane_state->hw.pixel_blend_mode != DRM_MODE_BLEND_PIXEL_NONE && fb->format->has_alpha) { plane_state->no_fbc_reason = "per-pixel alpha not supported"; @@ -1269,7 +1542,7 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state, return 0; } - if (!intel_fbc_hw_tracking_covers_screen(plane_state)) { + if (!intel_fbc_surface_size_ok(plane_state)) { plane_state->no_fbc_reason = "surface size too big"; return 0; } @@ -1279,14 +1552,14 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state, * having a Y offset that isn't divisible by 4 causes FIFO underrun * and screen flicker. */ - if (DISPLAY_VER(i915) >= 9 && + if (DISPLAY_VER(display) >= 9 && plane_state->view.color_plane[0].y & 3) { plane_state->no_fbc_reason = "plane start Y offset misaligned"; return 0; } /* Wa_22010751166: icl, ehl, tgl, dg1, rkl */ - if (DISPLAY_VER(i915) >= 11 && + if (DISPLAY_VER(display) >= 11 && (plane_state->view.color_plane[0].y + (drm_rect_height(&plane_state->uapi.src) >> 16)) & 3) { plane_state->no_fbc_reason = "plane end Y offset misaligned"; @@ -1294,7 +1567,7 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state, } /* WaFbcExceedCdClockThreshold:hsw,bdw */ - if (IS_HASWELL(i915) || IS_BROADWELL(i915)) { + if (display->platform.haswell || display->platform.broadwell) { const struct intel_cdclk_state *cdclk_state; cdclk_state = intel_atomic_get_cdclk_state(state); @@ -1362,7 +1635,7 @@ static bool __intel_fbc_pre_update(struct intel_atomic_state *state, struct intel_crtc *crtc, struct intel_plane *plane) { - struct drm_i915_private *i915 = to_i915(state->base.dev); + struct intel_display *display = to_intel_display(state->base.dev); struct intel_fbc *fbc = plane->fbc; bool need_vblank_wait = false; @@ -1388,7 +1661,7 @@ static bool __intel_fbc_pre_update(struct intel_atomic_state *state, * and skipping the extra vblank wait before the plane update * if at least one frame has already passed. */ - if (fbc->activated && DISPLAY_VER(i915) >= 10) + if (fbc->activated && DISPLAY_VER(display) >= 10) need_vblank_wait = true; fbc->activated = false; @@ -1422,15 +1695,17 @@ bool intel_fbc_pre_update(struct intel_atomic_state *state, static void __intel_fbc_disable(struct intel_fbc *fbc) { - struct drm_i915_private *i915 = fbc->i915; + struct intel_display *display = fbc->display; struct intel_plane *plane = fbc->state.plane; lockdep_assert_held(&fbc->lock); - drm_WARN_ON(&i915->drm, fbc->active); + drm_WARN_ON(display->drm, fbc->active); - drm_dbg_kms(&i915->drm, "Disabling FBC on [PLANE:%d:%s]\n", + drm_dbg_kms(display->drm, "Disabling FBC on [PLANE:%d:%s]\n", plane->base.base.id, plane->base.name); + intel_fbc_invalidate_dirty_rect(fbc); + __intel_fbc_cleanup_cfb(fbc); fbc->state.plane = NULL; @@ -1498,14 +1773,14 @@ out: mutex_unlock(&fbc->lock); } -void intel_fbc_invalidate(struct drm_i915_private *i915, +void intel_fbc_invalidate(struct intel_display *display, unsigned int frontbuffer_bits, enum fb_op_origin origin) { struct intel_fbc *fbc; enum intel_fbc_id fbc_id; - for_each_intel_fbc(i915, fbc, fbc_id) + for_each_intel_fbc(display, fbc, fbc_id) __intel_fbc_invalidate(fbc, frontbuffer_bits, origin); } @@ -1537,14 +1812,14 @@ out: mutex_unlock(&fbc->lock); } -void intel_fbc_flush(struct drm_i915_private *i915, +void intel_fbc_flush(struct intel_display *display, unsigned int frontbuffer_bits, enum fb_op_origin origin) { struct intel_fbc *fbc; enum intel_fbc_id fbc_id; - for_each_intel_fbc(i915, fbc, fbc_id) + for_each_intel_fbc(display, fbc, fbc_id) __intel_fbc_flush(fbc, frontbuffer_bits, origin); } @@ -1569,7 +1844,7 @@ static void __intel_fbc_enable(struct intel_atomic_state *state, struct intel_crtc *crtc, struct intel_plane *plane) { - struct drm_i915_private *i915 = to_i915(state->base.dev); + struct intel_display *display = to_intel_display(state->base.dev); const struct intel_plane_state *plane_state = intel_atomic_get_new_plane_state(state, plane); struct intel_fbc *fbc = plane->fbc; @@ -1588,7 +1863,7 @@ static void __intel_fbc_enable(struct intel_atomic_state *state, __intel_fbc_disable(fbc); } - drm_WARN_ON(&i915->drm, fbc->active); + drm_WARN_ON(display->drm, fbc->active); fbc->no_fbc_reason = plane_state->no_fbc_reason; if (fbc->no_fbc_reason) @@ -1610,12 +1885,15 @@ static void __intel_fbc_enable(struct intel_atomic_state *state, return; } - drm_dbg_kms(&i915->drm, "Enabling FBC on [PLANE:%d:%s]\n", + drm_dbg_kms(display->drm, "Enabling FBC on [PLANE:%d:%s]\n", plane->base.base.id, plane->base.name); fbc->no_fbc_reason = "FBC enabled but not active yet\n"; intel_fbc_update_state(state, crtc, plane); + if (HAS_FBC_DIRTY_RECT(display)) + intel_fbc_hw_intialize_dirty_rect(fbc, plane_state); + intel_fbc_program_workarounds(fbc); intel_fbc_program_cfb(fbc); } @@ -1628,10 +1906,10 @@ static void __intel_fbc_enable(struct intel_atomic_state *state, */ void intel_fbc_disable(struct intel_crtc *crtc) { - struct drm_i915_private *i915 = to_i915(crtc->base.dev); + struct intel_display *display = to_intel_display(crtc->base.dev); struct intel_plane *plane; - for_each_intel_plane(&i915->drm, plane) { + for_each_intel_plane(display->drm, plane) { struct intel_fbc *fbc = plane->fbc; if (!fbc || plane->pipe != crtc->pipe) @@ -1676,7 +1954,7 @@ void intel_fbc_update(struct intel_atomic_state *state, static void intel_fbc_underrun_work_fn(struct work_struct *work) { struct intel_fbc *fbc = container_of(work, typeof(*fbc), underrun_work); - struct drm_i915_private *i915 = fbc->i915; + struct intel_display *display = fbc->display; mutex_lock(&fbc->lock); @@ -1684,12 +1962,12 @@ static void intel_fbc_underrun_work_fn(struct work_struct *work) if (fbc->underrun_detected || !fbc->state.plane) goto out; - drm_dbg_kms(&i915->drm, "Disabling FBC due to FIFO underrun.\n"); + drm_dbg_kms(display->drm, "Disabling FBC due to FIFO underrun.\n"); fbc->underrun_detected = true; intel_fbc_deactivate(fbc, "FIFO underrun"); if (!fbc->flip_pending) - intel_crtc_wait_for_next_vblank(intel_crtc_for_pipe(i915, fbc->state.plane->pipe)); + intel_crtc_wait_for_next_vblank(intel_crtc_for_pipe(display, fbc->state.plane->pipe)); __intel_fbc_disable(fbc); out: mutex_unlock(&fbc->lock); @@ -1697,14 +1975,14 @@ out: static void __intel_fbc_reset_underrun(struct intel_fbc *fbc) { - struct drm_i915_private *i915 = fbc->i915; + struct intel_display *display = fbc->display; cancel_work_sync(&fbc->underrun_work); mutex_lock(&fbc->lock); if (fbc->underrun_detected) { - drm_dbg_kms(&i915->drm, + drm_dbg_kms(display->drm, "Re-allowing FBC after fifo underrun\n"); fbc->no_fbc_reason = "FIFO underrun cleared"; } @@ -1715,22 +1993,24 @@ static void __intel_fbc_reset_underrun(struct intel_fbc *fbc) /* * intel_fbc_reset_underrun - reset FBC fifo underrun status. - * @i915: the i915 device + * @display: display * * See intel_fbc_handle_fifo_underrun_irq(). For automated testing we * want to re-enable FBC after an underrun to increase test coverage. */ -void intel_fbc_reset_underrun(struct drm_i915_private *i915) +void intel_fbc_reset_underrun(struct intel_display *display) { struct intel_fbc *fbc; enum intel_fbc_id fbc_id; - for_each_intel_fbc(i915, fbc, fbc_id) + for_each_intel_fbc(display, fbc, fbc_id) __intel_fbc_reset_underrun(fbc); } static void __intel_fbc_handle_fifo_underrun_irq(struct intel_fbc *fbc) { + struct drm_i915_private *i915 = to_i915(fbc->display->drm); + /* * There's no guarantee that underrun_detected won't be set to true * right after this check and before the work is scheduled, but that's @@ -1742,12 +2022,12 @@ static void __intel_fbc_handle_fifo_underrun_irq(struct intel_fbc *fbc) if (READ_ONCE(fbc->underrun_detected)) return; - queue_work(fbc->i915->unordered_wq, &fbc->underrun_work); + queue_work(i915->unordered_wq, &fbc->underrun_work); } /** * intel_fbc_handle_fifo_underrun_irq - disable FBC when we get a FIFO underrun - * @i915: i915 device + * @display: display * * Without FBC, most underruns are harmless and don't really cause too many * problems, except for an annoying message on dmesg. With FBC, underruns can @@ -1759,12 +2039,12 @@ static void __intel_fbc_handle_fifo_underrun_irq(struct intel_fbc *fbc) * * This function is called from the IRQ handler. */ -void intel_fbc_handle_fifo_underrun_irq(struct drm_i915_private *i915) +void intel_fbc_handle_fifo_underrun_irq(struct intel_display *display) { struct intel_fbc *fbc; enum intel_fbc_id fbc_id; - for_each_intel_fbc(i915, fbc, fbc_id) + for_each_intel_fbc(display, fbc, fbc_id) __intel_fbc_handle_fifo_underrun_irq(fbc); } @@ -1777,39 +2057,26 @@ void intel_fbc_handle_fifo_underrun_irq(struct drm_i915_private *i915) * space to change the value during runtime without sanitizing it again. IGT * relies on being able to change i915.enable_fbc at runtime. */ -static int intel_sanitize_fbc_option(struct drm_i915_private *i915) +static int intel_sanitize_fbc_option(struct intel_display *display) { - if (i915->display.params.enable_fbc >= 0) - return !!i915->display.params.enable_fbc; + if (display->params.enable_fbc >= 0) + return !!display->params.enable_fbc; - if (!HAS_FBC(i915)) + if (!HAS_FBC(display)) return 0; - if (IS_BROADWELL(i915) || DISPLAY_VER(i915) >= 9) + if (display->platform.broadwell || DISPLAY_VER(display) >= 9) return 1; return 0; } -static bool need_fbc_vtd_wa(struct drm_i915_private *i915) -{ - /* WaFbcTurnOffFbcWhenHyperVisorIsUsed:skl,bxt */ - if (i915_vtd_active(i915) && - (IS_SKYLAKE(i915) || IS_BROXTON(i915))) { - drm_info(&i915->drm, - "Disabling framebuffer compression (FBC) to prevent screen flicker with VT-d enabled\n"); - return true; - } - - return false; -} - void intel_fbc_add_plane(struct intel_fbc *fbc, struct intel_plane *plane) { plane->fbc = fbc; } -static struct intel_fbc *intel_fbc_create(struct drm_i915_private *i915, +static struct intel_fbc *intel_fbc_create(struct intel_display *display, enum intel_fbc_id fbc_id) { struct intel_fbc *fbc; @@ -1819,19 +2086,19 @@ static struct intel_fbc *intel_fbc_create(struct drm_i915_private *i915, return NULL; fbc->id = fbc_id; - fbc->i915 = i915; + fbc->display = display; INIT_WORK(&fbc->underrun_work, intel_fbc_underrun_work_fn); mutex_init(&fbc->lock); - if (DISPLAY_VER(i915) >= 7) + if (DISPLAY_VER(display) >= 7) fbc->funcs = &ivb_fbc_funcs; - else if (DISPLAY_VER(i915) == 6) + else if (DISPLAY_VER(display) == 6) fbc->funcs = &snb_fbc_funcs; - else if (DISPLAY_VER(i915) == 5) + else if (DISPLAY_VER(display) == 5) fbc->funcs = &ilk_fbc_funcs; - else if (IS_G4X(i915)) + else if (display->platform.g4x) fbc->funcs = &g4x_fbc_funcs; - else if (DISPLAY_VER(i915) == 4) + else if (DISPLAY_VER(display) == 4) fbc->funcs = &i965_fbc_funcs; else fbc->funcs = &i8xx_fbc_funcs; @@ -1841,39 +2108,36 @@ static struct intel_fbc *intel_fbc_create(struct drm_i915_private *i915, /** * intel_fbc_init - Initialize FBC - * @i915: the i915 device + * @display: display * * This function might be called during PM init process. */ -void intel_fbc_init(struct drm_i915_private *i915) +void intel_fbc_init(struct intel_display *display) { enum intel_fbc_id fbc_id; - if (need_fbc_vtd_wa(i915)) - DISPLAY_RUNTIME_INFO(i915)->fbc_mask = 0; - - i915->display.params.enable_fbc = intel_sanitize_fbc_option(i915); - drm_dbg_kms(&i915->drm, "Sanitized enable_fbc value: %d\n", - i915->display.params.enable_fbc); + display->params.enable_fbc = intel_sanitize_fbc_option(display); + drm_dbg_kms(display->drm, "Sanitized enable_fbc value: %d\n", + display->params.enable_fbc); - for_each_fbc_id(i915, fbc_id) - i915->display.fbc[fbc_id] = intel_fbc_create(i915, fbc_id); + for_each_fbc_id(display, fbc_id) + display->fbc[fbc_id] = intel_fbc_create(display, fbc_id); } /** * intel_fbc_sanitize - Sanitize FBC - * @i915: the i915 device + * @display: display * * Make sure FBC is initially disabled since we have no * idea eg. into which parts of stolen it might be scribbling * into. */ -void intel_fbc_sanitize(struct drm_i915_private *i915) +void intel_fbc_sanitize(struct intel_display *display) { struct intel_fbc *fbc; enum intel_fbc_id fbc_id; - for_each_intel_fbc(i915, fbc, fbc_id) { + for_each_intel_fbc(display, fbc, fbc_id) { if (intel_fbc_hw_is_active(fbc)) intel_fbc_hw_deactivate(fbc); } @@ -1882,13 +2146,13 @@ void intel_fbc_sanitize(struct drm_i915_private *i915) static int intel_fbc_debugfs_status_show(struct seq_file *m, void *unused) { struct intel_fbc *fbc = m->private; - struct drm_i915_private *i915 = fbc->i915; + struct intel_display *display = fbc->display; struct intel_plane *plane; - intel_wakeref_t wakeref; + struct ref_tracker *wakeref; - drm_modeset_lock_all(&i915->drm); + drm_modeset_lock_all(display->drm); - wakeref = intel_runtime_pm_get(&i915->runtime_pm); + wakeref = intel_display_rpm_get(display); mutex_lock(&fbc->lock); if (fbc->active) { @@ -1899,7 +2163,7 @@ static int intel_fbc_debugfs_status_show(struct seq_file *m, void *unused) seq_printf(m, "FBC disabled: %s\n", fbc->no_fbc_reason); } - for_each_intel_plane(&i915->drm, plane) { + for_each_intel_plane(display->drm, plane) { const struct intel_plane_state *plane_state = to_intel_plane_state(plane->base.state); @@ -1913,9 +2177,9 @@ static int intel_fbc_debugfs_status_show(struct seq_file *m, void *unused) } mutex_unlock(&fbc->lock); - intel_runtime_pm_put(&i915->runtime_pm, wakeref); + intel_display_rpm_put(display, wakeref); - drm_modeset_unlock_all(&i915->drm); + drm_modeset_unlock_all(display->drm); return 0; } @@ -1972,12 +2236,12 @@ void intel_fbc_crtc_debugfs_add(struct intel_crtc *crtc) } /* FIXME: remove this once igt is on board with per-crtc stuff */ -void intel_fbc_debugfs_register(struct drm_i915_private *i915) +void intel_fbc_debugfs_register(struct intel_display *display) { - struct drm_minor *minor = i915->drm.primary; + struct drm_minor *minor = display->drm->primary; struct intel_fbc *fbc; - fbc = i915->display.fbc[INTEL_FBC_A]; + fbc = display->fbc[INTEL_FBC_A]; if (fbc) intel_fbc_debugfs_add(fbc, minor->debugfs_root); } |