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path: root/drivers/gpu/drm/i915/intel_device_info.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_device_info.c')
-rw-r--r--drivers/gpu/drm/i915/intel_device_info.c629
1 files changed, 313 insertions, 316 deletions
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index 77d3214e1a77..bbe3a24fe3d9 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -22,7 +22,16 @@
*
*/
+#include <linux/string_helpers.h>
+
+#include <drm/drm_print.h>
+#include <drm/intel/pciids.h>
+
+#include "gt/intel_gt_regs.h"
#include "i915_drv.h"
+#include "i915_reg.h"
+#include "i915_utils.h"
+#include "intel_device_info.h"
#define PLATFORM_NAME(x) [INTEL_##x] = #x
static const char * const platform_names[] = {
@@ -52,7 +61,17 @@ static const char * const platform_names[] = {
PLATFORM_NAME(KABYLAKE),
PLATFORM_NAME(GEMINILAKE),
PLATFORM_NAME(COFFEELAKE),
- PLATFORM_NAME(CANNONLAKE),
+ PLATFORM_NAME(COMETLAKE),
+ PLATFORM_NAME(ICELAKE),
+ PLATFORM_NAME(ELKHARTLAKE),
+ PLATFORM_NAME(JASPERLAKE),
+ PLATFORM_NAME(TIGERLAKE),
+ PLATFORM_NAME(ROCKETLAKE),
+ PLATFORM_NAME(DG1),
+ PLATFORM_NAME(ALDERLAKE_S),
+ PLATFORM_NAME(ALDERLAKE_P),
+ PLATFORM_NAME(DG2),
+ PLATFORM_NAME(METEORLAKE),
};
#undef PLATFORM_NAME
@@ -67,236 +86,294 @@ const char *intel_platform_name(enum intel_platform platform)
return platform_names[platform];
}
-void intel_device_info_dump(struct drm_i915_private *dev_priv)
+void intel_device_info_print(const struct intel_device_info *info,
+ const struct intel_runtime_info *runtime,
+ struct drm_printer *p)
{
- const struct intel_device_info *info = &dev_priv->info;
-
- DRM_DEBUG_DRIVER("i915 device info: platform=%s gen=%i pciid=0x%04x rev=0x%02x",
- intel_platform_name(info->platform),
- info->gen,
- dev_priv->drm.pdev->device,
- dev_priv->drm.pdev->revision);
-#define PRINT_FLAG(name) \
- DRM_DEBUG_DRIVER("i915 device info: " #name ": %s", yesno(info->name))
+ if (runtime->graphics.ip.rel)
+ drm_printf(p, "graphics version: %u.%02u\n",
+ runtime->graphics.ip.ver,
+ runtime->graphics.ip.rel);
+ else
+ drm_printf(p, "graphics version: %u\n",
+ runtime->graphics.ip.ver);
+
+ if (runtime->media.ip.rel)
+ drm_printf(p, "media version: %u.%02u\n",
+ runtime->media.ip.ver,
+ runtime->media.ip.rel);
+ else
+ drm_printf(p, "media version: %u\n",
+ runtime->media.ip.ver);
+
+ drm_printf(p, "graphics stepping: %s\n", intel_step_name(runtime->step.graphics_step));
+ drm_printf(p, "media stepping: %s\n", intel_step_name(runtime->step.media_step));
+
+ drm_printf(p, "gt: %d\n", info->gt);
+ drm_printf(p, "memory-regions: 0x%x\n", info->memory_regions);
+ drm_printf(p, "page-sizes: 0x%x\n", runtime->page_sizes);
+ drm_printf(p, "platform: %s\n", intel_platform_name(info->platform));
+ drm_printf(p, "ppgtt-size: %d\n", runtime->ppgtt_size);
+ drm_printf(p, "ppgtt-type: %d\n", runtime->ppgtt_type);
+ drm_printf(p, "dma_mask_size: %u\n", info->dma_mask_size);
+
+#define PRINT_FLAG(name) drm_printf(p, "%s: %s\n", #name, str_yes_no(info->name))
DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG);
#undef PRINT_FLAG
+
+ drm_printf(p, "has_pooled_eu: %s\n", str_yes_no(runtime->has_pooled_eu));
}
-static void cherryview_sseu_info_init(struct drm_i915_private *dev_priv)
-{
- struct sseu_dev_info *sseu = &mkwrite_device_info(dev_priv)->sseu;
- u32 fuse, eu_dis;
+#define ID(id) (id)
+
+static const u16 subplatform_ult_ids[] = {
+ INTEL_HSW_ULT_GT1_IDS(ID),
+ INTEL_HSW_ULT_GT2_IDS(ID),
+ INTEL_HSW_ULT_GT3_IDS(ID),
+ INTEL_BDW_ULT_GT1_IDS(ID),
+ INTEL_BDW_ULT_GT2_IDS(ID),
+ INTEL_BDW_ULT_GT3_IDS(ID),
+ INTEL_BDW_ULT_RSVD_IDS(ID),
+ INTEL_SKL_ULT_GT1_IDS(ID),
+ INTEL_SKL_ULT_GT2_IDS(ID),
+ INTEL_SKL_ULT_GT3_IDS(ID),
+ INTEL_KBL_ULT_GT1_IDS(ID),
+ INTEL_KBL_ULT_GT2_IDS(ID),
+ INTEL_KBL_ULT_GT3_IDS(ID),
+ INTEL_CFL_U_GT2_IDS(ID),
+ INTEL_CFL_U_GT3_IDS(ID),
+ INTEL_WHL_U_GT1_IDS(ID),
+ INTEL_WHL_U_GT2_IDS(ID),
+ INTEL_WHL_U_GT3_IDS(ID),
+ INTEL_CML_U_GT1_IDS(ID),
+ INTEL_CML_U_GT2_IDS(ID),
+};
- fuse = I915_READ(CHV_FUSE_GT);
+static const u16 subplatform_ulx_ids[] = {
+ INTEL_HSW_ULX_GT1_IDS(ID),
+ INTEL_HSW_ULX_GT2_IDS(ID),
+ INTEL_BDW_ULX_GT1_IDS(ID),
+ INTEL_BDW_ULX_GT2_IDS(ID),
+ INTEL_BDW_ULX_GT3_IDS(ID),
+ INTEL_BDW_ULX_RSVD_IDS(ID),
+ INTEL_SKL_ULX_GT1_IDS(ID),
+ INTEL_SKL_ULX_GT2_IDS(ID),
+ INTEL_KBL_ULX_GT1_IDS(ID),
+ INTEL_KBL_ULX_GT2_IDS(ID),
+ INTEL_AML_KBL_GT2_IDS(ID),
+ INTEL_AML_CFL_GT2_IDS(ID),
+};
- sseu->slice_mask = BIT(0);
+static const u16 subplatform_portf_ids[] = {
+ INTEL_ICL_PORT_F_IDS(ID),
+};
- if (!(fuse & CHV_FGT_DISABLE_SS0)) {
- sseu->subslice_mask |= BIT(0);
- eu_dis = fuse & (CHV_FGT_EU_DIS_SS0_R0_MASK |
- CHV_FGT_EU_DIS_SS0_R1_MASK);
- sseu->eu_total += 8 - hweight32(eu_dis);
- }
+static const u16 subplatform_uy_ids[] = {
+ INTEL_TGL_GT2_IDS(ID),
+};
+
+static const u16 subplatform_n_ids[] = {
+ INTEL_ADLN_IDS(ID),
+};
+
+static const u16 subplatform_rpl_ids[] = {
+ INTEL_RPLS_IDS(ID),
+ INTEL_RPLU_IDS(ID),
+ INTEL_RPLP_IDS(ID),
+};
+
+static const u16 subplatform_rplu_ids[] = {
+ INTEL_RPLU_IDS(ID),
+};
+
+static const u16 subplatform_g10_ids[] = {
+ INTEL_DG2_G10_IDS(ID),
+ INTEL_ATS_M150_IDS(ID),
+};
- if (!(fuse & CHV_FGT_DISABLE_SS1)) {
- sseu->subslice_mask |= BIT(1);
- eu_dis = fuse & (CHV_FGT_EU_DIS_SS1_R0_MASK |
- CHV_FGT_EU_DIS_SS1_R1_MASK);
- sseu->eu_total += 8 - hweight32(eu_dis);
+static const u16 subplatform_g11_ids[] = {
+ INTEL_DG2_G11_IDS(ID),
+ INTEL_ATS_M75_IDS(ID),
+};
+
+static const u16 subplatform_g12_ids[] = {
+ INTEL_DG2_G12_IDS(ID),
+};
+
+static const u16 subplatform_dg2_d_ids[] = {
+ INTEL_DG2_D_IDS(ID),
+};
+
+static const u16 subplatform_arl_h_ids[] = {
+ INTEL_ARL_H_IDS(ID),
+};
+
+static const u16 subplatform_arl_u_ids[] = {
+ INTEL_ARL_U_IDS(ID),
+};
+
+static const u16 subplatform_arl_s_ids[] = {
+ INTEL_ARL_S_IDS(ID),
+};
+
+static bool find_devid(u16 id, const u16 *p, unsigned int num)
+{
+ for (; num; num--, p++) {
+ if (*p == id)
+ return true;
}
- /*
- * CHV expected to always have a uniform distribution of EU
- * across subslices.
- */
- sseu->eu_per_subslice = sseu_subslice_total(sseu) ?
- sseu->eu_total / sseu_subslice_total(sseu) :
- 0;
- /*
- * CHV supports subslice power gating on devices with more than
- * one subslice, and supports EU power gating on devices with
- * more than one EU pair per subslice.
- */
- sseu->has_slice_pg = 0;
- sseu->has_subslice_pg = sseu_subslice_total(sseu) > 1;
- sseu->has_eu_pg = (sseu->eu_per_subslice > 2);
+ return false;
}
-static void gen9_sseu_info_init(struct drm_i915_private *dev_priv)
+static void intel_device_info_subplatform_init(struct drm_i915_private *i915)
{
- struct intel_device_info *info = mkwrite_device_info(dev_priv);
- struct sseu_dev_info *sseu = &info->sseu;
- int s_max = 3, ss_max = 4, eu_max = 8;
- int s, ss;
- u32 fuse2, eu_disable;
- u8 eu_mask = 0xff;
-
- fuse2 = I915_READ(GEN8_FUSE2);
- sseu->slice_mask = (fuse2 & GEN8_F2_S_ENA_MASK) >> GEN8_F2_S_ENA_SHIFT;
-
- /*
- * The subslice disable field is global, i.e. it applies
- * to each of the enabled slices.
- */
- sseu->subslice_mask = (1 << ss_max) - 1;
- sseu->subslice_mask &= ~((fuse2 & GEN9_F2_SS_DIS_MASK) >>
- GEN9_F2_SS_DIS_SHIFT);
-
- /*
- * Iterate through enabled slices and subslices to
- * count the total enabled EU.
- */
- for (s = 0; s < s_max; s++) {
- if (!(sseu->slice_mask & BIT(s)))
- /* skip disabled slice */
- continue;
-
- eu_disable = I915_READ(GEN9_EU_DISABLE(s));
- for (ss = 0; ss < ss_max; ss++) {
- int eu_per_ss;
-
- if (!(sseu->subslice_mask & BIT(ss)))
- /* skip disabled subslice */
- continue;
-
- eu_per_ss = eu_max - hweight8((eu_disable >> (ss*8)) &
- eu_mask);
-
- /*
- * Record which subslice(s) has(have) 7 EUs. we
- * can tune the hash used to spread work among
- * subslices if they are unbalanced.
- */
- if (eu_per_ss == 7)
- sseu->subslice_7eu[s] |= BIT(ss);
-
- sseu->eu_total += eu_per_ss;
+ const struct intel_device_info *info = INTEL_INFO(i915);
+ const struct intel_runtime_info *rinfo = RUNTIME_INFO(i915);
+ const unsigned int pi = __platform_mask_index(rinfo, info->platform);
+ const unsigned int pb = __platform_mask_bit(rinfo, info->platform);
+ u16 devid = INTEL_DEVID(i915);
+ u32 mask = 0;
+
+ /* Make sure IS_<platform> checks are working. */
+ RUNTIME_INFO(i915)->platform_mask[pi] = BIT(pb);
+
+ /* Find and mark subplatform bits based on the PCI device id. */
+ if (find_devid(devid, subplatform_ult_ids,
+ ARRAY_SIZE(subplatform_ult_ids))) {
+ mask = BIT(INTEL_SUBPLATFORM_ULT);
+ } else if (find_devid(devid, subplatform_ulx_ids,
+ ARRAY_SIZE(subplatform_ulx_ids))) {
+ mask = BIT(INTEL_SUBPLATFORM_ULX);
+ if (IS_HASWELL(i915) || IS_BROADWELL(i915)) {
+ /* ULX machines are also considered ULT. */
+ mask |= BIT(INTEL_SUBPLATFORM_ULT);
}
+ } else if (find_devid(devid, subplatform_portf_ids,
+ ARRAY_SIZE(subplatform_portf_ids))) {
+ mask = BIT(INTEL_SUBPLATFORM_PORTF);
+ } else if (find_devid(devid, subplatform_uy_ids,
+ ARRAY_SIZE(subplatform_uy_ids))) {
+ mask = BIT(INTEL_SUBPLATFORM_UY);
+ } else if (find_devid(devid, subplatform_n_ids,
+ ARRAY_SIZE(subplatform_n_ids))) {
+ mask = BIT(INTEL_SUBPLATFORM_N);
+ } else if (find_devid(devid, subplatform_rpl_ids,
+ ARRAY_SIZE(subplatform_rpl_ids))) {
+ mask = BIT(INTEL_SUBPLATFORM_RPL);
+ if (find_devid(devid, subplatform_rplu_ids,
+ ARRAY_SIZE(subplatform_rplu_ids)))
+ mask |= BIT(INTEL_SUBPLATFORM_RPLU);
+ } else if (find_devid(devid, subplatform_g10_ids,
+ ARRAY_SIZE(subplatform_g10_ids))) {
+ mask = BIT(INTEL_SUBPLATFORM_G10);
+ } else if (find_devid(devid, subplatform_g11_ids,
+ ARRAY_SIZE(subplatform_g11_ids))) {
+ mask = BIT(INTEL_SUBPLATFORM_G11);
+ } else if (find_devid(devid, subplatform_g12_ids,
+ ARRAY_SIZE(subplatform_g12_ids))) {
+ mask = BIT(INTEL_SUBPLATFORM_G12);
+ } else if (find_devid(devid, subplatform_arl_h_ids,
+ ARRAY_SIZE(subplatform_arl_h_ids))) {
+ mask = BIT(INTEL_SUBPLATFORM_ARL_H);
+ } else if (find_devid(devid, subplatform_arl_u_ids,
+ ARRAY_SIZE(subplatform_arl_u_ids))) {
+ mask = BIT(INTEL_SUBPLATFORM_ARL_U);
+ } else if (find_devid(devid, subplatform_arl_s_ids,
+ ARRAY_SIZE(subplatform_arl_s_ids))) {
+ mask = BIT(INTEL_SUBPLATFORM_ARL_S);
}
- /*
- * SKL is expected to always have a uniform distribution
- * of EU across subslices with the exception that any one
- * EU in any one subslice may be fused off for die
- * recovery. BXT is expected to be perfectly uniform in EU
- * distribution.
- */
- sseu->eu_per_subslice = sseu_subslice_total(sseu) ?
- DIV_ROUND_UP(sseu->eu_total,
- sseu_subslice_total(sseu)) : 0;
- /*
- * SKL+ supports slice power gating on devices with more than
- * one slice, and supports EU power gating on devices with
- * more than one EU pair per subslice. BXT+ supports subslice
- * power gating on devices with more than one subslice, and
- * supports EU power gating on devices with more than one EU
- * pair per subslice.
- */
- sseu->has_slice_pg =
- !IS_GEN9_LP(dev_priv) && hweight8(sseu->slice_mask) > 1;
- sseu->has_subslice_pg =
- IS_GEN9_LP(dev_priv) && sseu_subslice_total(sseu) > 1;
- sseu->has_eu_pg = sseu->eu_per_subslice > 2;
-
- if (IS_GEN9_LP(dev_priv)) {
-#define IS_SS_DISABLED(ss) (!(sseu->subslice_mask & BIT(ss)))
- info->has_pooled_eu = hweight8(sseu->subslice_mask) == 3;
+ /* DG2_D ids span across multiple DG2 subplatforms */
+ if (find_devid(devid, subplatform_dg2_d_ids,
+ ARRAY_SIZE(subplatform_dg2_d_ids)))
+ mask |= BIT(INTEL_SUBPLATFORM_D);
+
+ GEM_BUG_ON(mask & ~INTEL_SUBPLATFORM_MASK);
+
+ RUNTIME_INFO(i915)->platform_mask[pi] |= mask;
+}
+static void ip_ver_read(struct drm_i915_private *i915, u32 offset, struct intel_ip_version *ip)
+{
+ struct pci_dev *pdev = to_pci_dev(i915->drm.dev);
+ void __iomem *addr;
+ u32 val;
+ u8 expected_ver = ip->ver;
+ u8 expected_rel = ip->rel;
+
+ addr = pci_iomap_range(pdev, 0, offset, sizeof(u32));
+ if (drm_WARN_ON(&i915->drm, !addr))
+ return;
+
+ val = ioread32(addr);
+ pci_iounmap(pdev, addr);
+
+ ip->ver = REG_FIELD_GET(GMD_ID_ARCH_MASK, val);
+ ip->rel = REG_FIELD_GET(GMD_ID_RELEASE_MASK, val);
+ ip->step = REG_FIELD_GET(GMD_ID_STEP, val);
+
+ /* Sanity check against expected versions from device info */
+ if (IP_VER(ip->ver, ip->rel) < IP_VER(expected_ver, expected_rel))
+ drm_dbg(&i915->drm,
+ "Hardware reports GMD IP version %u.%u (REG[0x%x] = 0x%08x) but minimum expected is %u.%u\n",
+ ip->ver, ip->rel, offset, val, expected_ver, expected_rel);
+}
+
+/*
+ * Setup the graphics version for the current device. This must be done before
+ * any code that performs checks on GRAPHICS_VER or DISPLAY_VER, so this
+ * function should be called very early in the driver initialization sequence.
+ *
+ * Regular MMIO access is not yet setup at the point this function is called so
+ * we peek at the appropriate MMIO offset directly. The GMD_ID register is
+ * part of an 'always on' power well by design, so we don't need to worry about
+ * forcewake while reading it.
+ */
+static void intel_ipver_early_init(struct drm_i915_private *i915)
+{
+ struct intel_runtime_info *runtime = RUNTIME_INFO(i915);
+
+ if (!HAS_GMD_ID(i915)) {
+ drm_WARN_ON(&i915->drm, RUNTIME_INFO(i915)->graphics.ip.ver > 12);
/*
- * There is a HW issue in 2x6 fused down parts that requires
- * Pooled EU to be enabled as a WA. The pool configuration
- * changes depending upon which subslice is fused down. This
- * doesn't affect if the device has all 3 subslices enabled.
+ * On older platforms, graphics and media share the same ip
+ * version and release.
*/
- /* WaEnablePooledEuFor2x6:bxt */
- info->has_pooled_eu |= (hweight8(sseu->subslice_mask) == 2 &&
- IS_BXT_REVID(dev_priv, 0, BXT_REVID_B_LAST));
-
- sseu->min_eu_in_pool = 0;
- if (info->has_pooled_eu) {
- if (IS_SS_DISABLED(2) || IS_SS_DISABLED(0))
- sseu->min_eu_in_pool = 3;
- else if (IS_SS_DISABLED(1))
- sseu->min_eu_in_pool = 6;
- else
- sseu->min_eu_in_pool = 9;
- }
-#undef IS_SS_DISABLED
+ RUNTIME_INFO(i915)->media.ip =
+ RUNTIME_INFO(i915)->graphics.ip;
+ return;
}
-}
-static void broadwell_sseu_info_init(struct drm_i915_private *dev_priv)
-{
- struct sseu_dev_info *sseu = &mkwrite_device_info(dev_priv)->sseu;
- const int s_max = 3, ss_max = 3, eu_max = 8;
- int s, ss;
- u32 fuse2, eu_disable[3]; /* s_max */
-
- fuse2 = I915_READ(GEN8_FUSE2);
- sseu->slice_mask = (fuse2 & GEN8_F2_S_ENA_MASK) >> GEN8_F2_S_ENA_SHIFT;
- /*
- * The subslice disable field is global, i.e. it applies
- * to each of the enabled slices.
- */
- sseu->subslice_mask = GENMASK(ss_max - 1, 0);
- sseu->subslice_mask &= ~((fuse2 & GEN8_F2_SS_DIS_MASK) >>
- GEN8_F2_SS_DIS_SHIFT);
-
- eu_disable[0] = I915_READ(GEN8_EU_DISABLE0) & GEN8_EU_DIS0_S0_MASK;
- eu_disable[1] = (I915_READ(GEN8_EU_DISABLE0) >> GEN8_EU_DIS0_S1_SHIFT) |
- ((I915_READ(GEN8_EU_DISABLE1) & GEN8_EU_DIS1_S1_MASK) <<
- (32 - GEN8_EU_DIS0_S1_SHIFT));
- eu_disable[2] = (I915_READ(GEN8_EU_DISABLE1) >> GEN8_EU_DIS1_S2_SHIFT) |
- ((I915_READ(GEN8_EU_DISABLE2) & GEN8_EU_DIS2_S2_MASK) <<
- (32 - GEN8_EU_DIS1_S2_SHIFT));
-
- /*
- * Iterate through enabled slices and subslices to
- * count the total enabled EU.
- */
- for (s = 0; s < s_max; s++) {
- if (!(sseu->slice_mask & BIT(s)))
- /* skip disabled slice */
- continue;
-
- for (ss = 0; ss < ss_max; ss++) {
- u32 n_disabled;
-
- if (!(sseu->subslice_mask & BIT(ss)))
- /* skip disabled subslice */
- continue;
-
- n_disabled = hweight8(eu_disable[s] >> (ss * eu_max));
-
- /*
- * Record which subslices have 7 EUs.
- */
- if (eu_max - n_disabled == 7)
- sseu->subslice_7eu[s] |= 1 << ss;
-
- sseu->eu_total += eu_max - n_disabled;
- }
+ ip_ver_read(i915, i915_mmio_reg_offset(GMD_ID_GRAPHICS),
+ &runtime->graphics.ip);
+ /* Wa_22012778468 */
+ if (runtime->graphics.ip.ver == 0x0 &&
+ INTEL_INFO(i915)->platform == INTEL_METEORLAKE) {
+ RUNTIME_INFO(i915)->graphics.ip.ver = 12;
+ RUNTIME_INFO(i915)->graphics.ip.rel = 70;
}
+ ip_ver_read(i915, i915_mmio_reg_offset(GMD_ID_MEDIA),
+ &runtime->media.ip);
+}
- /*
- * BDW is expected to always have a uniform distribution of EU across
- * subslices with the exception that any one EU in any one subslice may
- * be fused off for die recovery.
- */
- sseu->eu_per_subslice = sseu_subslice_total(sseu) ?
- DIV_ROUND_UP(sseu->eu_total,
- sseu_subslice_total(sseu)) : 0;
-
- /*
- * BDW supports slice power gating on devices with more than
- * one slice.
- */
- sseu->has_slice_pg = hweight8(sseu->slice_mask) > 1;
- sseu->has_subslice_pg = 0;
- sseu->has_eu_pg = 0;
+/**
+ * intel_device_info_runtime_init_early - initialize early runtime info
+ * @i915: the i915 device
+ *
+ * Determine early intel_device_info fields at runtime. This function needs
+ * to be called before the MMIO has been setup.
+ */
+void intel_device_info_runtime_init_early(struct drm_i915_private *i915)
+{
+ intel_ipver_early_init(i915);
+ intel_device_info_subplatform_init(i915);
}
-/*
+/**
+ * intel_device_info_runtime_init - initialize runtime info
+ * @dev_priv: the i915 device
+ *
* Determine various intel_device_info fields at runtime.
*
* Use it when either:
@@ -311,122 +388,42 @@ static void broadwell_sseu_info_init(struct drm_i915_private *dev_priv)
*/
void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
{
- struct intel_device_info *info = mkwrite_device_info(dev_priv);
- enum pipe pipe;
+ struct intel_runtime_info *runtime = RUNTIME_INFO(dev_priv);
- if (INTEL_GEN(dev_priv) >= 9) {
- info->num_scalers[PIPE_A] = 2;
- info->num_scalers[PIPE_B] = 2;
- info->num_scalers[PIPE_C] = 1;
- }
+ BUILD_BUG_ON(BITS_PER_TYPE(intel_engine_mask_t) < I915_NUM_ENGINES);
- /*
- * Skylake and Broxton currently don't expose the topmost plane as its
- * use is exclusive with the legacy cursor and we only want to expose
- * one of those, not both. Until we can safely expose the topmost plane
- * as a DRM_PLANE_TYPE_CURSOR with all the features exposed/supported,
- * we don't expose the topmost plane at all to prevent ABI breakage
- * down the line.
- */
- if (IS_GEN10(dev_priv) || IS_GEMINILAKE(dev_priv))
- for_each_pipe(dev_priv, pipe)
- info->num_sprites[pipe] = 3;
- else if (IS_BROXTON(dev_priv)) {
- info->num_sprites[PIPE_A] = 2;
- info->num_sprites[PIPE_B] = 2;
- info->num_sprites[PIPE_C] = 1;
- } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
- for_each_pipe(dev_priv, pipe)
- info->num_sprites[pipe] = 2;
- } else if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv)) {
- for_each_pipe(dev_priv, pipe)
- info->num_sprites[pipe] = 1;
+ if (GRAPHICS_VER(dev_priv) == 6 && i915_vtd_active(dev_priv)) {
+ drm_info(&dev_priv->drm,
+ "Disabling ppGTT for VT-d support\n");
+ runtime->ppgtt_type = INTEL_PPGTT_NONE;
}
+}
+
+/*
+ * Set up device info and initial runtime info at driver create.
+ *
+ * Note: i915 is only an allocated blob of memory at this point.
+ */
+void intel_device_info_driver_create(struct drm_i915_private *i915,
+ u16 device_id,
+ const struct intel_device_info *match_info)
+{
+ struct intel_runtime_info *runtime;
- if (i915.disable_display) {
- DRM_INFO("Display disabled (module parameter)\n");
- info->num_pipes = 0;
- } else if (info->num_pipes > 0 &&
- (IS_GEN7(dev_priv) || IS_GEN8(dev_priv)) &&
- HAS_PCH_SPLIT(dev_priv)) {
- u32 fuse_strap = I915_READ(FUSE_STRAP);
- u32 sfuse_strap = I915_READ(SFUSE_STRAP);
+ /* Setup INTEL_INFO() */
+ i915->__info = match_info;
- /*
- * SFUSE_STRAP is supposed to have a bit signalling the display
- * is fused off. Unfortunately it seems that, at least in
- * certain cases, fused off display means that PCH display
- * reads don't land anywhere. In that case, we read 0s.
- *
- * On CPT/PPT, we can detect this case as SFUSE_STRAP_FUSE_LOCK
- * should be set when taking over after the firmware.
- */
- if (fuse_strap & ILK_INTERNAL_DISPLAY_DISABLE ||
- sfuse_strap & SFUSE_STRAP_DISPLAY_DISABLED ||
- (dev_priv->pch_type == PCH_CPT &&
- !(sfuse_strap & SFUSE_STRAP_FUSE_LOCK))) {
- DRM_INFO("Display fused off, disabling\n");
- info->num_pipes = 0;
- } else if (fuse_strap & IVB_PIPE_C_DISABLE) {
- DRM_INFO("PipeC fused off\n");
- info->num_pipes -= 1;
- }
- } else if (info->num_pipes > 0 && IS_GEN9(dev_priv)) {
- u32 dfsm = I915_READ(SKL_DFSM);
- u8 disabled_mask = 0;
- bool invalid;
- int num_bits;
-
- if (dfsm & SKL_DFSM_PIPE_A_DISABLE)
- disabled_mask |= BIT(PIPE_A);
- if (dfsm & SKL_DFSM_PIPE_B_DISABLE)
- disabled_mask |= BIT(PIPE_B);
- if (dfsm & SKL_DFSM_PIPE_C_DISABLE)
- disabled_mask |= BIT(PIPE_C);
-
- num_bits = hweight8(disabled_mask);
-
- switch (disabled_mask) {
- case BIT(PIPE_A):
- case BIT(PIPE_B):
- case BIT(PIPE_A) | BIT(PIPE_B):
- case BIT(PIPE_A) | BIT(PIPE_C):
- invalid = true;
- break;
- default:
- invalid = false;
- }
+ /* Initialize initial runtime info from static const data and pdev. */
+ runtime = RUNTIME_INFO(i915);
+ memcpy(runtime, &INTEL_INFO(i915)->__runtime, sizeof(*runtime));
- if (num_bits > info->num_pipes || invalid)
- DRM_ERROR("invalid pipe fuse configuration: 0x%x\n",
- disabled_mask);
- else
- info->num_pipes -= num_bits;
- }
+ runtime->device_id = device_id;
+}
- /* Initialize slice/subslice/EU info */
- if (IS_CHERRYVIEW(dev_priv))
- cherryview_sseu_info_init(dev_priv);
- else if (IS_BROADWELL(dev_priv))
- broadwell_sseu_info_init(dev_priv);
- else if (INTEL_INFO(dev_priv)->gen >= 9)
- gen9_sseu_info_init(dev_priv);
-
- info->has_snoop = !info->has_llc;
-
- DRM_DEBUG_DRIVER("slice mask: %04x\n", info->sseu.slice_mask);
- DRM_DEBUG_DRIVER("slice total: %u\n", hweight8(info->sseu.slice_mask));
- DRM_DEBUG_DRIVER("subslice total: %u\n",
- sseu_subslice_total(&info->sseu));
- DRM_DEBUG_DRIVER("subslice mask %04x\n", info->sseu.subslice_mask);
- DRM_DEBUG_DRIVER("subslice per slice: %u\n",
- hweight8(info->sseu.subslice_mask));
- DRM_DEBUG_DRIVER("EU total: %u\n", info->sseu.eu_total);
- DRM_DEBUG_DRIVER("EU per subslice: %u\n", info->sseu.eu_per_subslice);
- DRM_DEBUG_DRIVER("has slice power gating: %s\n",
- info->sseu.has_slice_pg ? "y" : "n");
- DRM_DEBUG_DRIVER("has subslice power gating: %s\n",
- info->sseu.has_subslice_pg ? "y" : "n");
- DRM_DEBUG_DRIVER("has EU power gating: %s\n",
- info->sseu.has_eu_pg ? "y" : "n");
+void intel_driver_caps_print(const struct intel_driver_caps *caps,
+ struct drm_printer *p)
+{
+ drm_printf(p, "Has logical contexts? %s\n",
+ str_yes_no(caps->has_logical_contexts));
+ drm_printf(p, "scheduler: 0x%x\n", caps->scheduler);
}