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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2024-08-26 19:01:15 +0200
committerRodrigo Vivi <rodrigo.vivi@intel.com>2024-08-27 18:15:20 -0400
commit97c6efb3649724e6163774f0e7405c5ca8b1097a (patch)
treea8df97c86dd542ef73300f23d415ef9289402fd3
parent04cf420bbc32a599aa2481725f708435ea19bf3d (diff)
drm/i915/display: Plane capability for 64k phys alignment
Some plane formats have been designed to require 64k physical alignment. By returning whether this is the case for certain formats, we do not need to hardcode this check inside Xe. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Zbigniew KempczyƄski <zbigniew.kempczynski@intel.com> Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240826170117.327709-2-maarten.lankhorst@linux.intel.com Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
-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);