[Intel-gfx] [PATCH v2 18/25] drm/i915: Simplify copying the FB view state to the plane state
Ville Syrjälä
ville.syrjala at linux.intel.com
Fri Mar 26 16:42:55 UTC 2021
On Thu, Mar 25, 2021 at 11:48:01PM +0200, Imre Deak wrote:
> Instead of copying separately the GTT remapped and color plane view info
> from the FB to the plane state, do this by copying the whole
> intel_fb_view struct. For this we make sure the FB view state is fully
> inited (that is also including the view type) already during FB
> creation, so this init is not required during atomic check time. This
> also means the we don't need to reset the unused color plane info during
> atomic check, as these are already reset during FB creation.
>
> I noticed that initial FBs will only work atm if they are page aligned
> (which BIOS most probably always ensures), but add a comment to sanitize
> this part once. Also we won't disable the plane if
> get_initial_plane_config() failed for some reason (for instance due to
> unsupported rotation), add a TODO: comment for this too.
>
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Signed-off-by: Imre Deak <imre.deak at intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_display.c | 11 ++--
> drivers/gpu/drm/i915/display/intel_fb.c | 59 ++++++++-----------
> drivers/gpu/drm/i915/display/intel_fb.h | 7 +--
> .../drm/i915/display/skl_universal_plane.c | 8 +--
> 4 files changed, 34 insertions(+), 51 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index 4ee7e72142a5f..48b8e2083e14a 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -1629,6 +1629,11 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
> struct drm_framebuffer *fb;
> struct i915_vma *vma;
>
> + /*
> + * TODO:
> + * Disable planes if get_initial_plane_config() failed.
> + * Make sure things work if the surface base is not page aligned.
> + */
> if (!plane_config->fb)
> return;
>
> @@ -1680,10 +1685,8 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
>
> valid_fb:
> plane_state->rotation = plane_config->rotation;
> - intel_fill_fb_ggtt_view(&intel_state->view.gtt, fb,
> - plane_state->rotation);
> - intel_state->view.color_plane[0].pitch =
> - intel_fb_pitch(fb, 0, plane_state->rotation);
> + intel_fb_fill_view(to_intel_framebuffer(fb), plane_state->rotation,
> + &intel_state->view);
>
> __i915_vma_pin(vma);
> intel_state->vma = i915_vma_get(vma);
> diff --git a/drivers/gpu/drm/i915/display/intel_fb.c b/drivers/gpu/drm/i915/display/intel_fb.c
> index 31fd8480f707e..16dcfb538b448 100644
> --- a/drivers/gpu/drm/i915/display/intel_fb.c
> +++ b/drivers/gpu/drm/i915/display/intel_fb.c
> @@ -484,10 +484,8 @@ static bool intel_plane_can_remap(const struct intel_plane_state *plane_state)
> return true;
> }
>
> -int intel_fb_pitch(const struct drm_framebuffer *drm_fb, int color_plane, unsigned int rotation)
> +static int intel_fb_pitch(const struct intel_framebuffer *fb, int color_plane, unsigned int rotation)
> {
> - struct intel_framebuffer *fb = to_intel_framebuffer(drm_fb);
> -
> if (drm_rotation_90_or_270(rotation))
> return fb->rotated_view.color_plane[color_plane].pitch;
> else
> @@ -497,7 +495,7 @@ int intel_fb_pitch(const struct drm_framebuffer *drm_fb, int color_plane, unsign
> static bool intel_plane_needs_remap(const struct intel_plane_state *plane_state)
> {
> struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
> - const struct drm_framebuffer *fb = plane_state->hw.fb;
> + const struct intel_framebuffer *fb = to_intel_framebuffer(plane_state->hw.fb);
> unsigned int rotation = plane_state->hw.rotation;
> u32 stride, max_stride;
>
> @@ -516,8 +514,8 @@ static bool intel_plane_needs_remap(const struct intel_plane_state *plane_state)
> * unclear in Bspec, for now no checking.
> */
> stride = intel_fb_pitch(fb, 0, rotation);
> - max_stride = plane->max_stride(plane, fb->format->format,
> - fb->modifier, rotation);
> + max_stride = plane->max_stride(plane, fb->base.format->format,
> + fb->base.modifier, rotation);
>
> return stride > max_stride;
> }
> @@ -702,6 +700,12 @@ calc_plane_normal_size(const struct intel_framebuffer *fb, int color_plane,
> return tiles;
> }
>
> +static void intel_fb_view_init(struct intel_fb_view *view, enum i915_ggtt_view_type view_type)
> +{
> + memset(view, 0, sizeof(*view));
> + view->gtt.type = view_type;
> +}
> +
> int intel_fill_fb_info(struct drm_i915_private *i915, struct drm_framebuffer *fb)
> {
> struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
> @@ -711,6 +715,9 @@ int intel_fill_fb_info(struct drm_i915_private *i915, struct drm_framebuffer *fb
> int i, num_planes = fb->format->num_planes;
> unsigned int tile_size = intel_tile_size(i915);
>
> + intel_fb_view_init(&intel_fb->normal_view, I915_GGTT_VIEW_NORMAL);
> + intel_fb_view_init(&intel_fb->rotated_view, I915_GGTT_VIEW_ROTATED);
> +
> for (i = 0; i < num_planes; i++) {
> struct fb_plane_view_dims view_dims;
> unsigned int width, height;
> @@ -796,9 +803,9 @@ static void intel_plane_remap_gtt(struct intel_plane_state *plane_state)
> unsigned int src_w, src_h;
> u32 gtt_offset = 0;
>
> - memset(&plane_state->view.gtt, 0, sizeof(plane_state->view.gtt));
> - plane_state->view.gtt.type = drm_rotation_90_or_270(rotation) ?
> - I915_GGTT_VIEW_ROTATED : I915_GGTT_VIEW_REMAPPED;
> + intel_fb_view_init(&plane_state->view,
> + drm_rotation_90_or_270(rotation) ? I915_GGTT_VIEW_ROTATED :
> + I915_GGTT_VIEW_REMAPPED);
>
> src_x = plane_state->uapi.src.x1 >> 16;
> src_y = plane_state->uapi.src.y1 >> 16;
> @@ -889,17 +896,13 @@ static void intel_plane_remap_gtt(struct intel_plane_state *plane_state)
> }
> }
>
> -void intel_fill_fb_ggtt_view(struct i915_ggtt_view *view,
> - const struct drm_framebuffer *fb,
> - unsigned int rotation)
> +void intel_fb_fill_view(const struct intel_framebuffer *fb, unsigned int rotation,
> + struct intel_fb_view *view)
> {
> - memset(view, 0, sizeof(*view));
> -
> - view->type = I915_GGTT_VIEW_NORMAL;
> - if (drm_rotation_90_or_270(rotation)) {
> - view->type = I915_GGTT_VIEW_ROTATED;
> - view->rotated = to_intel_framebuffer(fb)->rotated_view.gtt.rotated;
> - }
> + if (drm_rotation_90_or_270(rotation))
> + *view = fb->rotated_view;
> + else
> + *view = fb->normal_view;
> }
>
> static int intel_plane_check_stride(const struct intel_plane_state *plane_state)
> @@ -939,13 +942,10 @@ int intel_plane_compute_gtt(struct intel_plane_state *plane_state)
> const struct intel_framebuffer *fb =
> to_intel_framebuffer(plane_state->hw.fb);
> unsigned int rotation = plane_state->hw.rotation;
> - int i, num_planes;
>
> if (!fb)
> return 0;
>
> - num_planes = fb->base.format->num_planes;
> -
> if (intel_plane_needs_remap(plane_state)) {
> intel_plane_remap_gtt(plane_state);
>
> @@ -958,20 +958,7 @@ int intel_plane_compute_gtt(struct intel_plane_state *plane_state)
> return intel_plane_check_stride(plane_state);
> }
>
> - intel_fill_fb_ggtt_view(&plane_state->view.gtt, &fb->base, rotation);
> -
> - for (i = 0; i < num_planes; i++) {
> - plane_state->view.color_plane[i].pitch = intel_fb_pitch(&fb->base, i, rotation);
> - plane_state->view.color_plane[i].offset = 0;
> -
> - if (drm_rotation_90_or_270(rotation)) {
> - plane_state->view.color_plane[i].x = fb->rotated_view.color_plane[i].x;
> - plane_state->view.color_plane[i].y = fb->rotated_view.color_plane[i].y;
> - } else {
> - plane_state->view.color_plane[i].x = fb->normal_view.color_plane[i].x;
> - plane_state->view.color_plane[i].y = fb->normal_view.color_plane[i].y;
> - }
> - }
> + intel_fb_fill_view(fb, rotation, &plane_state->view);
>
> /* Rotate src coordinates to match rotated GTT view */
> if (drm_rotation_90_or_270(rotation))
> diff --git a/drivers/gpu/drm/i915/display/intel_fb.h b/drivers/gpu/drm/i915/display/intel_fb.h
> index 8ffc883a83c34..0ea9da360450d 100644
> --- a/drivers/gpu/drm/i915/display/intel_fb.h
> +++ b/drivers/gpu/drm/i915/display/intel_fb.h
> @@ -15,6 +15,7 @@ struct drm_i915_private;
> struct i915_ggtt_view;
>
> struct intel_fb_view;
> +struct intel_framebuffer;
> struct intel_plane_state;
>
> enum i915_ggtt_view_type;
> @@ -49,11 +50,9 @@ u32 intel_plane_compute_aligned_offset(int *x, int *y,
> const struct intel_plane_state *state,
> int color_plane);
>
> -int intel_fb_pitch(const struct drm_framebuffer *fb, int color_plane, unsigned int rotation);
> -
> int intel_fill_fb_info(struct drm_i915_private *i915, struct drm_framebuffer *fb);
> -void intel_fill_fb_ggtt_view(struct i915_ggtt_view *view, const struct drm_framebuffer *fb,
> - unsigned int rotation);
> +void intel_fb_fill_view(const struct intel_framebuffer *fb, unsigned int rotation,
> + struct intel_fb_view *view);
> int intel_plane_compute_gtt(struct intel_plane_state *plane_state);
>
> #endif /* __INTEL_FB_H__ */
> diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
> index 00a11fb516e52..00a53512ef6cd 100644
> --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
> +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
> @@ -1538,7 +1538,7 @@ static int skl_check_ccs_aux_surface(struct intel_plane_state *plane_state)
> static int skl_check_plane_surface(struct intel_plane_state *plane_state)
> {
> const struct drm_framebuffer *fb = plane_state->hw.fb;
> - int ret, i;
> + int ret;
>
> ret = intel_plane_compute_gtt(plane_state);
> if (ret)
> @@ -1564,12 +1564,6 @@ static int skl_check_plane_surface(struct intel_plane_state *plane_state)
> return ret;
> }
>
> - for (i = fb->format->num_planes; i < ARRAY_SIZE(plane_state->view.color_plane); i++) {
> - plane_state->view.color_plane[i].offset = 0;
> - plane_state->view.color_plane[i].x = 0;
> - plane_state->view.color_plane[i].y = 0;
> - }
> -
> ret = skl_check_main_surface(plane_state);
> if (ret)
> return ret;
> --
> 2.25.1
--
Ville Syrjälä
Intel
More information about the Intel-gfx
mailing list