linux/drivers/gpu/drm/i915/display/intel_fb.c
Imre Deak 3e5e0a75fa drm/i915/intel_fb: Pull is_surface_linear() from intel_display.c/skl_universal_plane.c
Move is_surface_linear() to intel_fb.c and export it from here, also
removing the duplicate definitions of it.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210325214808.2071517-9-imre.deak@intel.com
2021-03-29 22:54:50 +03:00

67 lines
1.7 KiB
C

// SPDX-License-Identifier: MIT
/*
* Copyright © 2021 Intel Corporation
*/
#include <drm/drm_framebuffer.h>
#include "intel_display_types.h"
#include "intel_fb.h"
bool is_ccs_plane(const struct drm_framebuffer *fb, int plane)
{
if (!is_ccs_modifier(fb->modifier))
return false;
return plane >= fb->format->num_planes / 2;
}
bool is_gen12_ccs_plane(const struct drm_framebuffer *fb, int plane)
{
return is_gen12_ccs_modifier(fb->modifier) && is_ccs_plane(fb, plane);
}
bool is_gen12_ccs_cc_plane(const struct drm_framebuffer *fb, int plane)
{
return fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC &&
plane == 2;
}
bool is_surface_linear(const struct drm_framebuffer *fb, int color_plane)
{
return fb->modifier == DRM_FORMAT_MOD_LINEAR ||
is_gen12_ccs_plane(fb, color_plane);
}
int main_to_ccs_plane(const struct drm_framebuffer *fb, int main_plane)
{
drm_WARN_ON(fb->dev, !is_ccs_modifier(fb->modifier) ||
(main_plane && main_plane >= fb->format->num_planes / 2));
return fb->format->num_planes / 2 + main_plane;
}
int skl_ccs_to_main_plane(const struct drm_framebuffer *fb, int ccs_plane)
{
drm_WARN_ON(fb->dev, !is_ccs_modifier(fb->modifier) ||
ccs_plane < fb->format->num_planes / 2);
if (is_gen12_ccs_cc_plane(fb, ccs_plane))
return 0;
return ccs_plane - fb->format->num_planes / 2;
}
int skl_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane)
{
struct drm_i915_private *i915 = to_i915(fb->dev);
if (is_ccs_modifier(fb->modifier))
return main_to_ccs_plane(fb, main_plane);
else if (DISPLAY_VER(i915) < 11 &&
intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier))
return 1;
else
return 0;
}