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-rw-r--r--drivers/gpu/drm/i915/display/intel_fb.c20
-rw-r--r--drivers/gpu/drm/i915/display/intel_fb.h2
2 files changed, 21 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_fb.c b/drivers/gpu/drm/i915/display/intel_fb.c
index d2716915d046..5be7bb43e2e0 100644
--- a/drivers/gpu/drm/i915/display/intel_fb.c
+++ b/drivers/gpu/drm/i915/display/intel_fb.c
@@ -169,7 +169,7 @@ static const struct intel_modifier_desc intel_modifiers[] = {
}, {
.modifier = I915_FORMAT_MOD_4_TILED_BMG_CCS,
.display_ver = { 14, -1 },
- .plane_caps = INTEL_PLANE_CAP_TILING_4,
+ .plane_caps = INTEL_PLANE_CAP_TILING_4 | INTEL_PLANE_CAP_NEED64K_PHYS,
}, {
.modifier = I915_FORMAT_MOD_4_TILED_MTL_MC_CCS,
.display_ver = { 14, 14 },
@@ -420,6 +420,24 @@ bool intel_fb_is_mc_ccs_modifier(u64 modifier)
INTEL_PLANE_CAP_CCS_MC);
}
+/**
+ * intel_fb_needs_64k_phys: Check if modifier requires 64k physical placement.
+ * @modifier: Modifier to check
+ *
+ * Returns:
+ * Returns %true if @modifier requires 64k aligned physical pages.
+ */
+bool intel_fb_needs_64k_phys(u64 modifier)
+{
+ const struct intel_modifier_desc *md = lookup_modifier_or_null(modifier);
+
+ if (!md)
+ return false;
+
+ return plane_caps_contain_any(md->plane_caps,
+ INTEL_PLANE_CAP_NEED64K_PHYS);
+}
+
static bool check_modifier_display_ver_range(const struct intel_modifier_desc *md,
u8 display_ver_from, u8 display_ver_until)
{
diff --git a/drivers/gpu/drm/i915/display/intel_fb.h b/drivers/gpu/drm/i915/display/intel_fb.h
index 6dee0c8b7f22..10de437e8ef8 100644
--- a/drivers/gpu/drm/i915/display/intel_fb.h
+++ b/drivers/gpu/drm/i915/display/intel_fb.h
@@ -28,11 +28,13 @@ struct intel_plane_state;
#define INTEL_PLANE_CAP_TILING_Y BIT(4)
#define INTEL_PLANE_CAP_TILING_Yf BIT(5)
#define INTEL_PLANE_CAP_TILING_4 BIT(6)
+#define INTEL_PLANE_CAP_NEED64K_PHYS BIT(7)
bool intel_fb_is_tiled_modifier(u64 modifier);
bool intel_fb_is_ccs_modifier(u64 modifier);
bool intel_fb_is_rc_ccs_cc_modifier(u64 modifier);
bool intel_fb_is_mc_ccs_modifier(u64 modifier);
+bool intel_fb_needs_64k_phys(u64 modifier);
bool intel_fb_is_ccs_aux_plane(const struct drm_framebuffer *fb, int color_plane);
int intel_fb_rc_ccs_cc_plane(const struct drm_framebuffer *fb);