On Thu, Mar 11, 2021 at 12:17:28AM +0200, Imre Deak wrote:
> Factor out to a new function the logic to convert the FB plane x/y
> values to a tile size based offset and new x/y relative to this offset.
> This makes intel_fill_fb_info() and intel_plane_remap_gtt() somewhat
> more readable.
>
> Signed-off-by: Imre Deak <imre.d...@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_fb.c | 26 ++++++++++++++++---------
> 1 file changed, 17 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_fb.c
> b/drivers/gpu/drm/i915/display/intel_fb.c
> index 806341c229f0..62a8e37dca38 100644
> --- a/drivers/gpu/drm/i915/display/intel_fb.c
> +++ b/drivers/gpu/drm/i915/display/intel_fb.c
> @@ -559,6 +559,21 @@ static int convert_plane_offset_to_xy(const struct
> intel_framebuffer *fb, int co
> return 0;
> }
>
> +static u32 calc_plane_aligned_offset(const struct intel_framebuffer *fb, int
> color_plane, int *x, int *y)
> +{
> + const struct drm_framebuffer *drm_fb = &fb->base;
> + struct drm_i915_private *i915 = to_i915(drm_fb->dev);
> + unsigned int tile_size = intel_tile_size(i915);
> + u32 offset;
> +
> + offset = intel_compute_aligned_offset(i915, x, y, drm_fb, color_plane,
> + drm_fb->pitches[color_plane],
> + DRM_MODE_ROTATE_0,
> + tile_size);
> +
> + return offset / tile_size;
> +}
> +
> /*
> * Setup the rotated view for an FB plane and return the size the GTT mapping
> * requires for this view.
> @@ -661,11 +676,7 @@ int intel_fill_fb_info(struct drm_i915_private *i915,
> struct drm_framebuffer *fb
> intel_fb->normal[i].x = x;
> intel_fb->normal[i].y = y;
>
> - offset = intel_compute_aligned_offset(i915, &x, &y, fb, i,
> - fb->pitches[i],
> - DRM_MODE_ROTATE_0,
> - tile_size);
> - offset /= tile_size;
> + offset = calc_plane_aligned_offset(intel_fb, i, &x, &y);
>
> if (!is_surface_linear(fb, i)) {
> struct intel_remapped_plane_info plane_info;
> @@ -774,10 +785,7 @@ static void intel_plane_remap_gtt(struct
> intel_plane_state *plane_state)
> x += intel_fb->normal[i].x;
> y += intel_fb->normal[i].y;
>
> - offset = intel_compute_aligned_offset(i915, &x, &y,
> - fb, i, fb->pitches[i],
> - DRM_MODE_ROTATE_0,
> tile_size);
> - offset /= tile_size;
> + offset = calc_plane_aligned_offset(intel_fb, i, &x, &y);
>
> drm_WARN_ON(&i915->drm, i >= ARRAY_SIZE(info->plane));
> info->plane[i].offset = offset;
> --
> 2.25.1
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Ville Syrjälä
Intel
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