mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-03 10:02:20 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/i915/display: Split and export main surface calculation from skl_check_main_surface()

Browse Source 
The calculation the offsets of the main surface will be needed by PSR2
selective fetch code so here splitting and exporting it.
No functional changes were done here.

v3: Rebased

Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Tested-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210104205654.238928-3-jose.souza@intel.com
This commit is contained in:
José Roberto de Souza
2021-01-04 12:56:53 -08:00
parent 3fea9f4244
commit ca1100f341
2 changed files with 51 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

78
drivers/gpu/drm/i915/display/intel_display.c
View File

@@ -3752,33 +3752,19 @@ static int intel_plane_max_height(struct intel_plane *plane,
return INT_MAX;
}
static int skl_check_main_surface(struct intel_plane_state *plane_state)
int skl_calc_main_surface_offset(const struct intel_plane_state *plane_state,
int *x, int *y, u32 *offset)
{
struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->hw.fb;
unsigned int rotation = plane_state->hw.rotation;
int x = plane_state->uapi.src.x1 >> 16;
int y = plane_state->uapi.src.y1 >> 16;
int w = drm_rect_width(&plane_state->uapi.src) >> 16;
int h = drm_rect_height(&plane_state->uapi.src) >> 16;
int min_width = intel_plane_min_width(plane, fb, 0, rotation);
int max_width = intel_plane_max_width(plane, fb, 0, rotation);
int max_height = intel_plane_max_height(plane, fb, 0, rotation);
int aux_plane = intel_main_to_aux_plane(fb, 0);
u32 aux_offset = plane_state->color_plane[aux_plane].offset;
u32 alignment, offset;
const int aux_plane = intel_main_to_aux_plane(fb, 0);
const u32 aux_offset = plane_state->color_plane[aux_plane].offset;
const u32 alignment = intel_surf_alignment(fb, 0);
const int w = drm_rect_width(&plane_state->uapi.src) >> 16;
if (w > max_width || w < min_width || h > max_height) {
drm_dbg_kms(&dev_priv->drm,
"requested Y/RGB source size %dx%d outside limits (min: %dx1 max: %dx%d)\n",
w, h, min_width, max_width, max_height);
return -EINVAL;
}
intel_add_fb_offsets(&x, &y, plane_state, 0);
offset = intel_plane_compute_aligned_offset(&x, &y, plane_state, 0);
alignment = intel_surf_alignment(fb, 0);
intel_add_fb_offsets(x, y, plane_state, 0);
*offset = intel_plane_compute_aligned_offset(x, y, plane_state, 0);
if (drm_WARN_ON(&dev_priv->drm, alignment && !is_power_of_2(alignment)))
return -EINVAL;
@@ -3787,9 +3773,10 @@ static int skl_check_main_surface(struct intel_plane_state *plane_state)
* main surface offset, and it must be non-negative. Make
* sure that is what we will get.
*/
if (aux_plane && offset > aux_offset)
offset = intel_plane_adjust_aligned_offset(&x, &y, plane_state, 0,
offset, aux_offset & ~(alignment - 1));
if (aux_plane && *offset > aux_offset)
*offset = intel_plane_adjust_aligned_offset(x, y, plane_state, 0,
*offset,
aux_offset & ~(alignment - 1));
/*
* When using an X-tiled surface, the plane blows up
@@ -3800,18 +3787,51 @@ static int skl_check_main_surface(struct intel_plane_state *plane_state)
if (fb->modifier == I915_FORMAT_MOD_X_TILED) {
int cpp = fb->format->cpp[0];
while ((x + w) * cpp > plane_state->color_plane[0].stride) {
if (offset == 0) {
while ((*x + w) * cpp > plane_state->color_plane[0].stride) {
if (*offset == 0) {
drm_dbg_kms(&dev_priv->drm,
"Unable to find suitable display surface offset due to X-tiling\n");
return -EINVAL;
}
offset = intel_plane_adjust_aligned_offset(&x, &y, plane_state, 0,
offset, offset - alignment);
*offset = intel_plane_adjust_aligned_offset(x, y, plane_state, 0,
*offset,
*offset - alignment);
}
}
return 0;
}
static int skl_check_main_surface(struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->hw.fb;
const unsigned int rotation = plane_state->hw.rotation;
int x = plane_state->uapi.src.x1 >> 16;
int y = plane_state->uapi.src.y1 >> 16;
const int w = drm_rect_width(&plane_state->uapi.src) >> 16;
const int h = drm_rect_height(&plane_state->uapi.src) >> 16;
const int min_width = intel_plane_min_width(plane, fb, 0, rotation);
const int max_width = intel_plane_max_width(plane, fb, 0, rotation);
const int max_height = intel_plane_max_height(plane, fb, 0, rotation);
const int aux_plane = intel_main_to_aux_plane(fb, 0);
const u32 alignment = intel_surf_alignment(fb, 0);
u32 offset;
int ret;
if (w > max_width || w < min_width || h > max_height) {
drm_dbg_kms(&dev_priv->drm,
"requested Y/RGB source size %dx%d outside limits (min: %dx1 max: %dx%d)\n",
w, h, min_width, max_width, max_height);
return -EINVAL;
}
ret = skl_calc_main_surface_offset(plane_state, &x, &y, &offset);
if (ret)
return ret;
/*
* CCS AUX surface doesn't have its own x/y offsets, we must make sure
* they match with the main surface x/y offsets.

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

@@ -630,6 +630,8 @@ u32 skl_plane_ctl_crtc(const struct intel_crtc_state *crtc_state);
u32 skl_plane_stride(const struct intel_plane_state *plane_state,
int plane);
int skl_check_plane_surface(struct intel_plane_state *plane_state);
int skl_calc_main_surface_offset(const struct intel_plane_state *plane_state,
int *x, int *y, u32 *offset);
int skl_format_to_fourcc(int format, bool rgb_order, bool alpha);
int bdw_get_pipemisc_bpp(struct intel_crtc *crtc);
unsigned int intel_plane_fence_y_offset(const struct intel_plane_state *plane_state);