[Intel-gfx] [PATCH v3 3/5] drm/i915/display: Split and export main surface calculation from skl_check_main_surface()
Gwan-gyeong Mun
gwan-gyeong.mun at intel.com
Fri Nov 27 10:50:39 UTC 2020
From: José Roberto de Souza <jose.souza at intel.com>
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 at intel.com>
Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
Signed-off-by: José Roberto de Souza <jose.souza at intel.com>
Reviewed-by: Gwan-gyeong Mun <gwan-gyeong.mun at intel.com>
Tested-by: Gwan-gyeong Mun <gwan-gyeong.mun at intel.com>
---
drivers/gpu/drm/i915/display/intel_display.c | 62 +++++++++++++-------
drivers/gpu/drm/i915/display/intel_display.h | 2 +
2 files changed, 42 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 595183f7b60f..da24f654a2f4 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -3817,22 +3817,21 @@ 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 unsigned int rotation = plane_state->hw.rotation;
+ 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 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;
+ const int h = drm_rect_height(&plane_state->uapi.src) >> 16;
if (w > max_width || w < min_width || h > max_height) {
drm_dbg_kms(&dev_priv->drm,
@@ -3841,9 +3840,8 @@ static int skl_check_main_surface(struct intel_plane_state *plane_state)
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;
@@ -3852,9 +3850,10 @@ 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
@@ -3865,18 +3864,37 @@ 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;
+ int x = plane_state->uapi.src.x1 >> 16;
+ int y = plane_state->uapi.src.y1 >> 16;
+ const int aux_plane = intel_main_to_aux_plane(fb, 0);
+ const u32 alignment = intel_surf_alignment(fb, 0);
+ u32 offset;
+ int ret;
+
+ 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.
diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h
index b2969d8ff625..f9ce98eae020 100644
--- a/drivers/gpu/drm/i915/display/intel_display.h
+++ b/drivers/gpu/drm/i915/display/intel_display.h
@@ -636,6 +636,8 @@ u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state,
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_calc_main_surface_offset(const struct intel_plane_state *plane_state,
+ int *x, int *y, u32 *offset);
int skl_check_plane_surface(struct intel_plane_state *plane_state);
int i9xx_check_plane_surface(struct intel_plane_state *plane_state);
int skl_format_to_fourcc(int format, bool rgb_order, bool alpha);
--
2.25.0
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