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drm/i915/mtl: Add MTL for remapping CCS FBs

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[ Upstream commit 0da6bfe857ea9399498876cbe6ef428637b6e475 ]

Add support for remapping CCS FBs on MTL to remove the restriction
of the power-of-two sized stride and the 2MB surface offset alignment
for these FBs.

Signed-off-by: Clint Taylor <clinton.a.taylor@intel.com>
Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230505144005.23480-2-nirmoy.das@intel.com
Stable-dep-of: 324b70e997aa ("drm/i915: Fix ADL+ tiled plane stride when the POT stride is smaller than the original")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Clint Taylor 2023-05-05 16:40:05 +02:00 committed by Greg Kroah-Hartman
parent 52c1a67dd3
commit de4349bdf9
1 changed files with 6 additions and 3 deletions
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9
drivers/gpu/drm/i915/display/intel_fb.c
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@ -1176,7 +1176,8 @@ bool intel_fb_needs_pot_stride_remap(const struct intel_framebuffer *fb)
{
struct drm_i915_private *i915 = to_i915(fb->base.dev);
return IS_ALDERLAKE_P(i915) && intel_fb_uses_dpt(&fb->base);
return (IS_ALDERLAKE_P(i915) || DISPLAY_VER(i915) >= 14) &&
intel_fb_uses_dpt(&fb->base);
}
static int intel_fb_pitch(const struct intel_framebuffer *fb, int color_plane, unsigned int rotation)
@ -1312,9 +1313,10 @@ plane_view_scanout_stride(const struct intel_framebuffer *fb, int color_plane,
unsigned int tile_width,
unsigned int src_stride_tiles, unsigned int dst_stride_tiles)
{
struct drm_i915_private *i915 = to_i915(fb->base.dev);
unsigned int stride_tiles;
if (IS_ALDERLAKE_P(to_i915(fb->base.dev)))
if (IS_ALDERLAKE_P(i915) || DISPLAY_VER(i915) >= 14)
stride_tiles = src_stride_tiles;
else
stride_tiles = dst_stride_tiles;
@ -1520,7 +1522,8 @@ static void intel_fb_view_init(struct drm_i915_private *i915, struct intel_fb_vi
memset(view, 0, sizeof(*view));
view->gtt.type = view_type;
if (view_type == I915_GTT_VIEW_REMAPPED && IS_ALDERLAKE_P(i915))
if (view_type == I915_GTT_VIEW_REMAPPED &&
(IS_ALDERLAKE_P(i915) || DISPLAY_VER(i915) >= 14))
view->gtt.remapped.plane_alignment = SZ_2M / PAGE_SIZE;
}