Media ratio mode (the ability for media IP to work at a different frequency
from the GT) is available for a subset of dGfx platforms supporting
GuC/SLPC. Introduce 'has_media_ratio_mode' flag in intel_device_info to
identify these platforms and set it for XEHPSDV and DG2/ATS-M.

Signed-off-by: Ashutosh Dixit <ashutosh.di...@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.v...@intel.com>
Reviewed-by: Andi Shyti <andi.sh...@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_drv.h          | 2 ++
 drivers/gpu/drm/i915/i915_pci.c          | 2 ++
 drivers/gpu/drm/i915/intel_device_info.h | 1 +
 3 files changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 24111bf42ce0..96625eabb244 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1227,6 +1227,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
 #define CCS_MASK(gt) \
        ENGINE_INSTANCES_MASK(gt, CCS0, I915_MAX_CCS)
 
+#define HAS_MEDIA_RATIO_MODE(dev_priv) 
(INTEL_INFO(dev_priv)->has_media_ratio_mode)
+
 /*
  * The Gen7 cmdparser copies the scanned buffer to the ggtt for execution
  * All later gens can run the final buffer from the ppgtt
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index b60492826478..3ea1e11cc2a7 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -1033,6 +1033,7 @@ static const struct intel_device_info xehpsdv_info = {
        .display = { },
        .has_64k_pages = 1,
        .needs_compact_pt = 1,
+       .has_media_ratio_mode = 1,
        .platform_engine_mask =
                BIT(RCS0) | BIT(BCS0) |
                BIT(VECS0) | BIT(VECS1) | BIT(VECS2) | BIT(VECS3) |
@@ -1053,6 +1054,7 @@ static const struct intel_device_info xehpsdv_info = {
        .has_guc_deprivilege = 1, \
        .has_heci_pxp = 1, \
        .needs_compact_pt = 1, \
+       .has_media_ratio_mode = 1, \
        .platform_engine_mask = \
                BIT(RCS0) | BIT(BCS0) | \
                BIT(VECS0) | BIT(VECS1) | \
diff --git a/drivers/gpu/drm/i915/intel_device_info.h 
b/drivers/gpu/drm/i915/intel_device_info.h
index 20c351c8d5bd..2bd67b3457f1 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -153,6 +153,7 @@ enum intel_ppgtt_type {
        func(has_llc); \
        func(has_logical_ring_contexts); \
        func(has_logical_ring_elsq); \
+       func(has_media_ratio_mode); \
        func(has_mslices); \
        func(has_pooled_eu); \
        func(has_pxp); \
-- 
2.34.1

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