summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/display/intel_bw.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2021-02-21 14:44:44 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2021-02-21 14:44:44 -0800
commitd99676af540c2dc829999928fb81c58c80a1dce4 (patch)
treea78602eb6fa5d46d867c00ee187179ced6c18766 /drivers/gpu/drm/i915/display/intel_bw.c
parent10e2ec8edece2566b40f69bae035a555ece71ab4 (diff)
parentf730f39eb981af249d57336b47cfe3925632a7fd (diff)
Merge tag 'drm-next-2021-02-19' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie: "A pretty normal tree, lots of refactoring across the board, ttm, i915, nouveau, and bunch of features in various drivers. docs: - lots of updated docs core: - require crtc to have unique primary plane - fourcc macro fix - PCI bar quirk for bar resizing - don't sent hotplug on error - move vm code to legacy - nuke hose only used on old oboslete alpha dma-buf: - kernel doc updates - improved lock tracking dp/hdmi: - DP-HDMI2.1 protocol converter support ttm: - bo size handling cleanup - release a pinned bo warning - cleanup lru handler - avoid using pages with drm_prime_sg_to_page_addr_arrays cma-helper: - prime/mmap fixes bridge: - add DP support gma500: - remove gma3600 support i915: - try eDP fast/narrow link again with fallback - Intel eDP backlight control - replace display register read/write macros - refactor intel_display.c - display power improvements - HPD code cleanup - Rocketlake display fixes - Power/backlight/RPM fixes - DG1 display fix - IVB/BYT clear residuals security fix again - make i915 mitigations options via parameter - HSW GT1 GPU hangs fixes - DG1 workaround hang fixes - TGL DMAR hang avoidance - Lots of GT fixes - follow on fixes for residuals clear - gen7 per-engine-reset support - HDCP2.2 + HDCP1.4 GEN12 DP MST support - TGL clear color support - backlight refactoring - VRR/Adaptive sync enabling on DP/EDP for TGL+ - async flips for all ilk+ amdgpu: - rework IH ring handling (Vega/Navi) - rework HDP handling (Vega/Navi) - swSMU updates for renoir/vangogh - Sienna Cichild overdrive support - FP16 on DCE8-11 support - GPU reset on navy flounder/vangogh - SMU profile fixes for APU - SR-IOV fixes - Vangogh SMU fixes - fan speed control fixes amdkfd: - config handling fix - buffer free fix - recursive lock warnings fix nouveau: - Turing MMU fault recovery fixes - mDP connectors reporting fix - audio locking fixes - rework engines/instances code to support new scheme tegra: - VIC newer firmware support - display/gr2d fixes for older tegra - pm reference leak fix mediatek: - SOC MT8183 support - decouple sub driver + share mtk mutex driver radeon: - PCI resource fix for some platforms ingenic: - pm support - 8-bit delta RGB panels vmwgfx: - managed driver helpers vc4: - BCM2711 DSI1 support - converted to atomic helpers - enable 10/12 bpc outputs - gem prime mmap helpers - CEC fix omap: - use degamma table - CTM support - rework DSI support imx: - stack usage fixes - drm managed support - imx-tve clock provider leak fix - rcar-du: - default mode fixes - conversion to managed API hisilicon: - use simple encoder vkms: - writeback connector support d3: - BT2020 support" * tag 'drm-next-2021-02-19' of git://anongit.freedesktop.org/drm/drm: (1459 commits) drm/amdgpu: Set reference clock to 100Mhz on Renoir (v2) drm/radeon: OLAND boards don't have VCE drm/amdkfd: Fix recursive lock warnings drm/amd/display: Add FPU wrappers to dcn21_validate_bandwidth() drm/amd/display: Fix potential integer overflow drm/amdgpu/display: remove hdcp_srm sysfs on device removal drm/amdgpu: fix CGTS_TCC_DISABLE register offset on gfx10.3 drm/i915/gt: Correct surface base address for renderclear drm/i915: Disallow plane x+w>stride on ilk+ with X-tiling drm/nouveau/top/ga100: initial support drm/nouveau/top: add ioctrl/nvjpg drm/nouveau/privring: rename from ibus drm/nouveau/nvkm: remove nvkm_subdev.index drm/nouveau/nvkm: determine subdev id/order from layout drm/nouveau/vic: switch to instanced constructor drm/nouveau/sw: switch to instanced constructor drm/nouveau/sec2: switch to instanced constructor drm/nouveau/sec: switch to instanced constructor drm/nouveau/pm: switch to instanced constructor drm/nouveau/nvenc: switch to instanced constructor ...
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_bw.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_bw.c80
1 files changed, 8 insertions, 72 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c
index bd060404d249..4b5a30ac84bc 100644
--- a/drivers/gpu/drm/i915/display/intel_bw.c
+++ b/drivers/gpu/drm/i915/display/intel_bw.c
@@ -20,76 +20,9 @@ struct intel_qgv_point {
struct intel_qgv_info {
struct intel_qgv_point points[I915_NUM_QGV_POINTS];
u8 num_points;
- u8 num_channels;
u8 t_bl;
- enum intel_dram_type dram_type;
};
-static int icl_pcode_read_mem_global_info(struct drm_i915_private *dev_priv,
- struct intel_qgv_info *qi)
-{
- u32 val = 0;
- int ret;
-
- ret = sandybridge_pcode_read(dev_priv,
- ICL_PCODE_MEM_SUBSYSYSTEM_INFO |
- ICL_PCODE_MEM_SS_READ_GLOBAL_INFO,
- &val, NULL);
- if (ret)
- return ret;
-
- if (IS_GEN(dev_priv, 12)) {
- switch (val & 0xf) {
- case 0:
- qi->dram_type = INTEL_DRAM_DDR4;
- break;
- case 3:
- qi->dram_type = INTEL_DRAM_LPDDR4;
- break;
- case 4:
- qi->dram_type = INTEL_DRAM_DDR3;
- break;
- case 5:
- qi->dram_type = INTEL_DRAM_LPDDR3;
- break;
- default:
- MISSING_CASE(val & 0xf);
- break;
- }
- } else if (IS_GEN(dev_priv, 11)) {
- switch (val & 0xf) {
- case 0:
- qi->dram_type = INTEL_DRAM_DDR4;
- break;
- case 1:
- qi->dram_type = INTEL_DRAM_DDR3;
- break;
- case 2:
- qi->dram_type = INTEL_DRAM_LPDDR3;
- break;
- case 3:
- qi->dram_type = INTEL_DRAM_LPDDR4;
- break;
- default:
- MISSING_CASE(val & 0xf);
- break;
- }
- } else {
- MISSING_CASE(INTEL_GEN(dev_priv));
- qi->dram_type = INTEL_DRAM_LPDDR3; /* Conservative default */
- }
-
- qi->num_channels = (val & 0xf0) >> 4;
- qi->num_points = (val & 0xf00) >> 8;
-
- if (IS_GEN(dev_priv, 12))
- qi->t_bl = qi->dram_type == INTEL_DRAM_DDR4 ? 4 : 16;
- else if (IS_GEN(dev_priv, 11))
- qi->t_bl = qi->dram_type == INTEL_DRAM_DDR4 ? 4 : 8;
-
- return 0;
-}
-
static int icl_pcode_read_qgv_point_info(struct drm_i915_private *dev_priv,
struct intel_qgv_point *sp,
int point)
@@ -139,11 +72,15 @@ int icl_pcode_restrict_qgv_points(struct drm_i915_private *dev_priv,
static int icl_get_qgv_points(struct drm_i915_private *dev_priv,
struct intel_qgv_info *qi)
{
+ const struct dram_info *dram_info = &dev_priv->dram_info;
int i, ret;
- ret = icl_pcode_read_mem_global_info(dev_priv, qi);
- if (ret)
- return ret;
+ qi->num_points = dram_info->num_qgv_points;
+
+ if (IS_GEN(dev_priv, 12))
+ qi->t_bl = dev_priv->dram_info.type == INTEL_DRAM_DDR4 ? 4 : 16;
+ else if (IS_GEN(dev_priv, 11))
+ qi->t_bl = dev_priv->dram_info.type == INTEL_DRAM_DDR4 ? 4 : 8;
if (drm_WARN_ON(&dev_priv->drm,
qi->num_points > ARRAY_SIZE(qi->points)))
@@ -209,7 +146,7 @@ static int icl_get_bw_info(struct drm_i915_private *dev_priv, const struct intel
{
struct intel_qgv_info qi = {};
bool is_y_tile = true; /* assume y tile may be used */
- int num_channels;
+ int num_channels = dev_priv->dram_info.num_channels;
int deinterleave;
int ipqdepth, ipqdepthpch;
int dclk_max;
@@ -222,7 +159,6 @@ static int icl_get_bw_info(struct drm_i915_private *dev_priv, const struct intel
"Failed to get memory subsystem information, ignoring bandwidth limits");
return ret;
}
- num_channels = qi.num_channels;
deinterleave = DIV_ROUND_UP(num_channels, is_y_tile ? 4 : 2);
dclk_max = icl_sagv_max_dclk(&qi);