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drm/xe/display: Expose plane max width/height helpers to global scope

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Enabling features like FBC on platforms may depend on a plane's
maximum supported resolutions or some other arbitrary constant
values because of hw restrictions. Currently the helpers that
report a plane's max width and height are private to skl_plane
/ skl_universal_plane. Change the scope to golbal so that
this can be queried from other areas as well.

v2: function parameter alignment fixes

Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patch.msgid.link/20260722132448.318112-1-vinod.govindapillai@intel.com
This commit is contained in:
Vinod Govindapillai 2026-07-22 16:24:46 +03:00
parent 71b57dd92f
commit 6a86e215ba
2 changed files with 17 additions and 8 deletions
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16
drivers/gpu/drm/i915/display/skl_universal_plane.c
View File

@ -1932,10 +1932,10 @@ static int intel_plane_min_height(struct intel_plane *plane,
return 1;
}
static int intel_plane_max_width(struct intel_plane *plane,
const struct drm_framebuffer *fb,
int color_plane,
unsigned int rotation)
int intel_plane_max_width(struct intel_plane *plane,
const struct drm_framebuffer *fb,
int color_plane,
unsigned int rotation)
{
if (plane->max_width)
return plane->max_width(fb, color_plane, rotation);
@ -1943,10 +1943,10 @@ static int intel_plane_max_width(struct intel_plane *plane,
return INT_MAX;
}
static int intel_plane_max_height(struct intel_plane *plane,
const struct drm_framebuffer *fb,
int color_plane,
unsigned int rotation)
int intel_plane_max_height(struct intel_plane *plane,
const struct drm_framebuffer *fb,
int color_plane,
unsigned int rotation)
{
if (plane->max_height)
return plane->max_height(fb, color_plane, rotation);

9
drivers/gpu/drm/i915/display/skl_universal_plane.h
View File

@ -8,6 +8,7 @@
#include <linux/types.h>
struct drm_framebuffer;
struct intel_crtc;
struct intel_display;
struct intel_initial_plane_config;
@ -42,5 +43,13 @@ bool icl_is_hdr_plane(struct intel_display *display, enum plane_id plane_id);
u32 skl_plane_aux_dist(const struct intel_plane_state *plane_state,
int color_plane);
int intel_plane_max_width(struct intel_plane *plane,
const struct drm_framebuffer *fb,
int color_plane,
unsigned int rotation);
int intel_plane_max_height(struct intel_plane *plane,
const struct drm_framebuffer *fb,
int color_plane,
unsigned int rotation);
#endif