On Fri, May 08, 2015 at 08:22:47PM -0700, Chandra Konduru wrote:
> Adding NV12 90/270 rotation support for primary and sprite planes.
>
> Signed-off-by: Chandra Konduru <chandra.konduru@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_display.c | 23 ++++++++++++++++-------
> drivers/gpu/drm/i915/intel_sprite.c | 32 +++++++++++++++++++++++++-------
> 2 files changed, 41 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index c385a3b..77d7f69 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -3105,7 +3105,8 @@ static void skylake_update_primary_plane(struct drm_crtc *crtc,
> int src_x = 0, src_y = 0, src_w = 0, src_h = 0;
> int dst_x = 0, dst_y = 0, dst_w = 0, dst_h = 0;
> int scaler_id = -1;
> - u32 aux_dist = 0, aux_x_offset = 0, aux_y_offset = 0, aux_stride = 0;
> + unsigned long aux_dist = 0;
> + u32 aux_x_offset = 0, aux_y_offset = 0, aux_stride = 0;
> u32 tile_row_adjustment = 0;
>
> plane_state = to_intel_plane_state(plane->state);
> @@ -3163,12 +3164,16 @@ static void skylake_update_primary_plane(struct drm_crtc *crtc,
> x_offset = stride * tile_height - y - src_h;
> y_offset = x;
> plane_size = (src_w - 1) << 16 | (src_h - 1);
> - /*
> - * TBD: For NV12 90/270 rotation, Y and UV subplanes should
> - * be treated as separate surfaces and GTT remapping for
> - * rotation should be done separately for each subplane.
> - * Enable support once seperate remappings are available.
> - */
> +
> + if (fb->pixel_format == DRM_FORMAT_NV12) {
> + u32 uv_tile_height = intel_tile_height(dev, fb->pixel_format,
> + fb->modifier[0], 1);
> + aux_stride = DIV_ROUND_UP(fb->height / 2, uv_tile_height);
> + aux_dist = intel_plane_obj_offset(to_intel_plane(plane), obj, 1) -
> + surf_addr;
> + aux_x_offset = aux_stride * uv_tile_height - y / 2 - fb->height / 2;
> + aux_y_offset = x / 2;
> + }
> } else {
> stride = fb->pitches[0] / stride_div;
> x_offset = x;
> @@ -13144,6 +13149,10 @@ intel_check_primary_plane(struct drm_plane *plane,
> if (fb && format_is_yuv(fb->pixel_format)) {
> src->x1 &= ~0x10000;
> src->x2 &= ~0x10000;
> + if (intel_rotation_90_or_270(state->base.rotation)) {
> + src->y1 &= ~0x10000;
> + src->y2 &= ~0x10000;
> + }
This feels fishy. Why do we need to make the Y coordinates even? The
reson for making the X coordinates even is to make them macropixel
aligned, but there are no macropixels in the Y direction so this
doesn't make much sense to me.
> }
>
> if (INTEL_INFO(dev)->gen >= 9) {
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index e23fe8e..d4ce7eb 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -190,7 +190,8 @@ skl_update_plane(struct drm_plane *drm_plane, struct drm_crtc *crtc,
> int x_offset, y_offset;
> struct intel_crtc_state *crtc_state = to_intel_crtc(crtc)->config;
> int scaler_id;
> - u32 aux_dist = 0, aux_x_offset = 0, aux_y_offset = 0, aux_stride = 0;
> + unsigned long aux_dist = 0;
> + u32 aux_x_offset = 0, aux_y_offset = 0, aux_stride = 0;
> u32 tile_row_adjustment = 0;
>
> plane_ctl = PLANE_CTL_ENABLE |
> @@ -239,12 +240,14 @@ skl_update_plane(struct drm_plane *drm_plane, struct drm_crtc *crtc,
> x_offset = stride * tile_height - y - (src_h + 1);
> y_offset = x;
>
> - /*
> - * TBD: For NV12 90/270 rotation, Y and UV subplanes should
> - * be treated as separate surfaces and GTT remapping for
> - * rotation should be done separately for each subplane.
> - * Enable support once seperate remappings are available.
> - */
> + if (fb->pixel_format == DRM_FORMAT_NV12) {
> + u32 uv_tile_height = intel_tile_height(dev, fb->pixel_format,
> + fb->modifier[0], 1);
> + aux_stride = DIV_ROUND_UP(fb->height / 2, uv_tile_height);
> + aux_dist = intel_plane_obj_offset(intel_plane, obj, 1) - surf_addr;
> + aux_x_offset = aux_stride * uv_tile_height - y / 2 - fb->height / 2;
> + aux_y_offset = x / 2;
> + }
> } else {
> stride = fb->pitches[0] / stride_div;
> plane_size = (src_h << 16) | src_w;
> @@ -909,6 +912,21 @@ intel_check_sprite_plane(struct drm_plane *plane,
>
> if (crtc_w == 0)
> state->visible = false;
> +
> + if (intel_rotation_90_or_270(state->base.rotation)) {
> + src_y &= ~1;
> + src_h &= ~1;
> +
> + /*
> + * Must keep src and dst the
> + * same if we can't scale.
> + */
> + if (!intel_plane->can_scale)
> + crtc_h &= ~1;
> +
> + if (crtc_h == 0)
> + state->visible = false;
> + }
Same here.
> }
> }
>
> --
> 1.7.9.5
>
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--
Ville Syrjälä
Intel OTC
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