On Thu, Jul 19, 2018 at 09:22:04PM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> To reduce the confusion between a drm plane and the planes of
> framebuffers let's desiginate the latter as "color plane".
what about fb_plane instead of color?
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_display.c | 106 ++++++++++++++++++-----------------
> drivers/gpu/drm/i915/intel_drv.h | 2 +-
> 2 files changed, 56 insertions(+), 52 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index e6cb8238f257..bc2a712311ba 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -1916,10 +1916,10 @@ static unsigned int intel_tile_size(const struct drm_i915_private *dev_priv)
> }
>
> static unsigned int
> -intel_tile_width_bytes(const struct drm_framebuffer *fb, int plane)
> +intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane)
> {
> struct drm_i915_private *dev_priv = to_i915(fb->dev);
> - unsigned int cpp = fb->format->cpp[plane];
> + unsigned int cpp = fb->format->cpp[color_plane];
>
> switch (fb->modifier) {
> case DRM_FORMAT_MOD_LINEAR:
> @@ -1930,7 +1930,7 @@ intel_tile_width_bytes(const struct drm_framebuffer *fb, int plane)
> else
> return 512;
> case I915_FORMAT_MOD_Y_TILED_CCS:
> - if (plane == 1)
> + if (color_plane == 1)
> return 128;
> /* fall through */
> case I915_FORMAT_MOD_Y_TILED:
> @@ -1939,7 +1939,7 @@ intel_tile_width_bytes(const struct drm_framebuffer *fb, int plane)
> else
> return 512;
> case I915_FORMAT_MOD_Yf_TILED_CCS:
> - if (plane == 1)
> + if (color_plane == 1)
> return 128;
> /* fall through */
> case I915_FORMAT_MOD_Yf_TILED:
> @@ -1964,22 +1964,22 @@ intel_tile_width_bytes(const struct drm_framebuffer *fb, int plane)
> }
>
> static unsigned int
> -intel_tile_height(const struct drm_framebuffer *fb, int plane)
> +intel_tile_height(const struct drm_framebuffer *fb, int color_plane)
> {
> if (fb->modifier == DRM_FORMAT_MOD_LINEAR)
> return 1;
> else
> return intel_tile_size(to_i915(fb->dev)) /
> - intel_tile_width_bytes(fb, plane);
> + intel_tile_width_bytes(fb, color_plane);
> }
>
> /* Return the tile dimensions in pixel units */
> -static void intel_tile_dims(const struct drm_framebuffer *fb, int plane,
> +static void intel_tile_dims(const struct drm_framebuffer *fb, int color_plane,
> unsigned int *tile_width,
> unsigned int *tile_height)
> {
> - unsigned int tile_width_bytes = intel_tile_width_bytes(fb, plane);
> - unsigned int cpp = fb->format->cpp[plane];
> + unsigned int tile_width_bytes = intel_tile_width_bytes(fb, color_plane);
> + unsigned int cpp = fb->format->cpp[color_plane];
>
> *tile_width = tile_width_bytes / cpp;
> *tile_height = intel_tile_size(to_i915(fb->dev)) / tile_width_bytes;
> @@ -1987,9 +1987,9 @@ static void intel_tile_dims(const struct drm_framebuffer *fb, int plane,
>
> unsigned int
> intel_fb_align_height(const struct drm_framebuffer *fb,
> - int plane, unsigned int height)
> + int color_plane, unsigned int height)
> {
> - unsigned int tile_height = intel_tile_height(fb, plane);
> + unsigned int tile_height = intel_tile_height(fb, color_plane);
>
> return ALIGN(height, tile_height);
> }
> @@ -2043,12 +2043,12 @@ static unsigned int intel_linear_alignment(const struct drm_i915_private *dev_pr
> }
>
> static unsigned int intel_surf_alignment(const struct drm_framebuffer *fb,
> - int plane)
> + int color_plane)
> {
> struct drm_i915_private *dev_priv = to_i915(fb->dev);
>
> /* AUX_DIST needs only 4K alignment */
> - if (plane == 1)
> + if (color_plane == 1)
> return 4096;
>
> switch (fb->modifier) {
> @@ -2178,13 +2178,13 @@ void intel_unpin_fb_vma(struct i915_vma *vma, unsigned long flags)
> i915_vma_put(vma);
> }
>
> -static int intel_fb_pitch(const struct drm_framebuffer *fb, int plane,
> +static int intel_fb_pitch(const struct drm_framebuffer *fb, int color_plane,
> unsigned int rotation)
> {
> if (drm_rotation_90_or_270(rotation))
> - return to_intel_framebuffer(fb)->rotated[plane].pitch;
> + return to_intel_framebuffer(fb)->rotated[color_plane].pitch;
> else
> - return fb->pitches[plane];
> + return fb->pitches[color_plane];
> }
>
> /*
> @@ -2195,11 +2195,11 @@ static int intel_fb_pitch(const struct drm_framebuffer *fb, int plane,
> */
> u32 intel_fb_xy_to_linear(int x, int y,
> const struct intel_plane_state *state,
> - int plane)
> + int color_plane)
> {
> const struct drm_framebuffer *fb = state->base.fb;
> - unsigned int cpp = fb->format->cpp[plane];
> - unsigned int pitch = state->color_plane[plane].stride;
> + unsigned int cpp = fb->format->cpp[color_plane];
> + unsigned int pitch = state->color_plane[color_plane].stride;
>
> return y * pitch + x * cpp;
> }
> @@ -2211,18 +2211,18 @@ u32 intel_fb_xy_to_linear(int x, int y,
> */
> void intel_add_fb_offsets(int *x, int *y,
> const struct intel_plane_state *state,
> - int plane)
> + int color_plane)
>
> {
> const struct intel_framebuffer *intel_fb = to_intel_framebuffer(state->base.fb);
> unsigned int rotation = state->base.rotation;
>
> if (drm_rotation_90_or_270(rotation)) {
> - *x += intel_fb->rotated[plane].x;
> - *y += intel_fb->rotated[plane].y;
> + *x += intel_fb->rotated[color_plane].x;
> + *y += intel_fb->rotated[color_plane].y;
> } else {
> - *x += intel_fb->normal[plane].x;
> - *y += intel_fb->normal[plane].y;
> + *x += intel_fb->normal[color_plane].x;
> + *y += intel_fb->normal[color_plane].y;
> }
> }
>
> @@ -2254,13 +2254,14 @@ static u32 intel_adjust_tile_offset(int *x, int *y,
> }
>
> static u32 intel_adjust_aligned_offset(int *x, int *y,
> - const struct drm_framebuffer *fb, int plane,
> + const struct drm_framebuffer *fb,
> + int color_plane,
> unsigned int rotation,
> unsigned int pitch,
> u32 old_offset, u32 new_offset)
> {
> struct drm_i915_private *dev_priv = to_i915(fb->dev);
> - unsigned int cpp = fb->format->cpp[plane];
> + unsigned int cpp = fb->format->cpp[color_plane];
>
> WARN_ON(new_offset > old_offset);
>
> @@ -2269,7 +2270,7 @@ static u32 intel_adjust_aligned_offset(int *x, int *y,
> unsigned int pitch_tiles;
>
> tile_size = intel_tile_size(dev_priv);
> - intel_tile_dims(fb, plane, &tile_width, &tile_height);
> + intel_tile_dims(fb, color_plane, &tile_width, &tile_height);
>
> if (drm_rotation_90_or_270(rotation)) {
> pitch_tiles = pitch / tile_height;
> @@ -2297,12 +2298,12 @@ static u32 intel_adjust_aligned_offset(int *x, int *y,
> */
> static u32 intel_plane_adjust_aligned_offset(int *x, int *y,
> const struct intel_plane_state *state,
> - int plane,
> + int color_plane,
> u32 old_offset, u32 new_offset)
> {
> - return intel_adjust_aligned_offset(x, y, state->base.fb, plane,
> + return intel_adjust_aligned_offset(x, y, state->base.fb, color_plane,
> state->base.rotation,
> - state->color_plane[plane].stride,
> + state->color_plane[color_plane].stride,
> old_offset, new_offset);
> }
>
> @@ -2322,13 +2323,14 @@ static u32 intel_plane_adjust_aligned_offset(int *x, int *y,
> */
> static u32 intel_compute_aligned_offset(struct drm_i915_private *dev_priv,
> int *x, int *y,
> - const struct drm_framebuffer *fb, int plane,
> + const struct drm_framebuffer *fb,
> + int color_plane,
> unsigned int pitch,
> unsigned int rotation,
> u32 alignment)
> {
> uint64_t fb_modifier = fb->modifier;
> - unsigned int cpp = fb->format->cpp[plane];
> + unsigned int cpp = fb->format->cpp[color_plane];
> u32 offset, offset_aligned;
>
> if (alignment)
> @@ -2339,7 +2341,7 @@ static u32 intel_compute_aligned_offset(struct drm_i915_private *dev_priv,
> unsigned int tile_rows, tiles, pitch_tiles;
>
> tile_size = intel_tile_size(dev_priv);
> - intel_tile_dims(fb, plane, &tile_width, &tile_height);
> + intel_tile_dims(fb, color_plane, &tile_width, &tile_height);
>
> if (drm_rotation_90_or_270(rotation)) {
> pitch_tiles = pitch / tile_height;
> @@ -2373,41 +2375,42 @@ static u32 intel_compute_aligned_offset(struct drm_i915_private *dev_priv,
>
> static u32 intel_plane_compute_aligned_offset(int *x, int *y,
> const struct intel_plane_state *state,
> - int plane)
> + int color_plane)
> {
> struct intel_plane *intel_plane = to_intel_plane(state->base.plane);
> struct drm_i915_private *dev_priv = to_i915(intel_plane->base.dev);
> const struct drm_framebuffer *fb = state->base.fb;
> unsigned int rotation = state->base.rotation;
> - int pitch = state->color_plane[plane].stride;
> + int pitch = state->color_plane[color_plane].stride;
> u32 alignment;
>
> if (intel_plane->id == PLANE_CURSOR)
> alignment = intel_cursor_alignment(dev_priv);
> else
> - alignment = intel_surf_alignment(fb, plane);
> + alignment = intel_surf_alignment(fb, color_plane);
>
> - return intel_compute_aligned_offset(dev_priv, x, y, fb, plane,
> + return intel_compute_aligned_offset(dev_priv, x, y, fb, color_plane,
> pitch, rotation, alignment);
> }
>
> /* Convert the fb->offset[] into x/y offsets */
> static int intel_fb_offset_to_xy(int *x, int *y,
> - const struct drm_framebuffer *fb, int plane)
> + const struct drm_framebuffer *fb,
> + int color_plane)
> {
> struct drm_i915_private *dev_priv = to_i915(fb->dev);
>
> if (fb->modifier != DRM_FORMAT_MOD_LINEAR &&
> - fb->offsets[plane] % intel_tile_size(dev_priv))
> + fb->offsets[color_plane] % intel_tile_size(dev_priv))
> return -EINVAL;
>
> *x = 0;
> *y = 0;
>
> intel_adjust_aligned_offset(x, y,
> - fb, plane, DRM_MODE_ROTATE_0,
> - fb->pitches[0],
> - fb->offsets[plane], 0);
> + fb, color_plane, DRM_MODE_ROTATE_0,
> + fb->pitches[color_plane],
> + fb->offsets[color_plane], 0);
>
> return 0;
> }
> @@ -2899,10 +2902,11 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
> &obj->frontbuffer_bits);
> }
>
> -static int skl_max_plane_width(const struct drm_framebuffer *fb, int plane,
> +static int skl_max_plane_width(const struct drm_framebuffer *fb,
> + int color_plane,
> unsigned int rotation)
> {
> - int cpp = fb->format->cpp[plane];
> + int cpp = fb->format->cpp[color_plane];
>
> switch (fb->modifier) {
> case DRM_FORMAT_MOD_LINEAR:
> @@ -3462,12 +3466,12 @@ static bool i9xx_plane_get_hw_state(struct intel_plane *plane,
> }
>
> static u32
> -intel_fb_stride_alignment(const struct drm_framebuffer *fb, int plane)
> +intel_fb_stride_alignment(const struct drm_framebuffer *fb, int color_plane)
> {
> if (fb->modifier == DRM_FORMAT_MOD_LINEAR)
> return 64;
> else
> - return intel_tile_width_bytes(fb, plane);
> + return intel_tile_width_bytes(fb, color_plane);
> }
>
> static void skl_detach_scaler(struct intel_crtc *intel_crtc, int id)
> @@ -3498,13 +3502,13 @@ static void skl_detach_scalers(struct intel_crtc *intel_crtc)
> }
>
> u32 skl_plane_stride(const struct intel_plane_state *plane_state,
> - int plane)
> + int color_plane)
> {
> const struct drm_framebuffer *fb = plane_state->base.fb;
> unsigned int rotation = plane_state->base.rotation;
> - u32 stride = plane_state->color_plane[plane].stride;
> + u32 stride = plane_state->color_plane[color_plane].stride;
>
> - if (plane >= fb->format->num_planes)
> + if (color_plane >= fb->format->num_planes)
> return 0;
>
> /*
> @@ -3512,9 +3516,9 @@ u32 skl_plane_stride(const struct intel_plane_state *plane_state,
> * linear buffers or in number of tiles for tiled buffers.
> */
> if (drm_rotation_90_or_270(rotation))
> - stride /= intel_tile_height(fb, plane);
> + stride /= intel_tile_height(fb, color_plane);
> else
> - stride /= intel_fb_stride_alignment(fb, plane);
> + stride /= intel_fb_stride_alignment(fb, color_plane);
>
> return stride;
> }
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index d70276ff3d0e..cc381f680338 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -1438,7 +1438,7 @@ void icl_unmap_plls_to_ports(struct drm_crtc *crtc,
> struct drm_atomic_state *old_state);
>
> unsigned int intel_fb_align_height(const struct drm_framebuffer *fb,
> - int plane, unsigned int height);
> + int color_plane, unsigned int height);
>
> /* intel_audio.c */
> void intel_init_audio_hooks(struct drm_i915_private *dev_priv);
> --
> 2.16.4
>
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