Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-10 06:01:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

drm/i915/display: Plane capability for 64k phys alignment

Browse Source 
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 Kempczyński <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>
This commit is contained in:
Maarten Lankhorst 2024-08-26 19:01:15 +02:00 committed by Rodrigo Vivi
parent 04cf420bbc
commit 97c6efb364
No known key found for this signature in database
GPG Key ID: FA625F640EEB13CA
2 changed files with 21 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/gpu/drm/i915/display/intel_fb.c
View File

@ -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)
{

2
drivers/gpu/drm/i915/display/intel_fb.h
View File

@ -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);