Preparations for enabling P010, P012 and P016 formats. These
formats will extend NV12 for larger bit depths.

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikk...@gmail.com>
---
 drivers/gpu/drm/i915/intel_atomic.c       |  3 +-
 drivers/gpu/drm/i915/intel_atomic_plane.c |  2 +-
 drivers/gpu/drm/i915/intel_display.c      | 46 +++++++++++++++++++++++++++----
 drivers/gpu/drm/i915/intel_drv.h          |  1 +
 drivers/gpu/drm/i915/intel_pm.c           | 19 ++++++-------
 drivers/gpu/drm/i915/intel_sprite.c       | 21 +++++++++++++-
 6 files changed, 72 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_atomic.c 
b/drivers/gpu/drm/i915/intel_atomic.c
index 61ddb58..d42624b 100644
--- a/drivers/gpu/drm/i915/intel_atomic.c
+++ b/drivers/gpu/drm/i915/intel_atomic.c
@@ -332,8 +332,7 @@ int intel_atomic_setup_scalers(struct drm_i915_private 
*dev_priv,
                /* set scaler mode */
                if ((INTEL_GEN(dev_priv) >= 9) &&
                    plane_state && plane_state->base.fb &&
-                   plane_state->base.fb->format->format ==
-                   DRM_FORMAT_NV12) {
+                   is_planar_yuv_format(plane_state->base.fb->format->format)) 
{
                        if (INTEL_GEN(dev_priv) == 9 &&
                            !IS_GEMINILAKE(dev_priv) &&
                            !IS_SKYLAKE(dev_priv))
diff --git a/drivers/gpu/drm/i915/intel_atomic_plane.c 
b/drivers/gpu/drm/i915/intel_atomic_plane.c
index e8bf4cc..5b08d53 100644
--- a/drivers/gpu/drm/i915/intel_atomic_plane.c
+++ b/drivers/gpu/drm/i915/intel_atomic_plane.c
@@ -182,7 +182,7 @@ int intel_plane_atomic_check_with_state(const struct 
intel_crtc_state *old_crtc_
        else
                crtc_state->active_planes &= ~BIT(intel_plane->id);
 
-       if (state->visible && state->fb->format->format == DRM_FORMAT_NV12)
+       if (state->visible && is_planar_yuv_format(state->fb->format->format))
                crtc_state->nv12_planes |= BIT(intel_plane->id);
        else
                crtc_state->nv12_planes &= ~BIT(intel_plane->id);
diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index 2c16c3a..728684c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2667,6 +2667,12 @@ int skl_format_to_fourcc(int format, bool rgb_order, 
bool alpha)
                return DRM_FORMAT_RGB565;
        case PLANE_CTL_FORMAT_NV12:
                return DRM_FORMAT_NV12;
+       case PLANE_CTL_FORMAT_P010:
+               return DRM_FORMAT_P010;
+       case PLANE_CTL_FORMAT_P012:
+               return DRM_FORMAT_P012;
+       case PLANE_CTL_FORMAT_P016:
+               return DRM_FORMAT_P016;
        default:
        case PLANE_CTL_FORMAT_XRGB_8888:
                if (rgb_order) {
@@ -3182,7 +3188,7 @@ int skl_check_plane_surface(const struct intel_crtc_state 
*crtc_state,
         * Handle the AUX surface first since
         * the main surface setup depends on it.
         */
-       if (fb->format->format == DRM_FORMAT_NV12) {
+       if (is_planar_yuv_format(fb->format->format)) {
                ret = skl_check_nv12_surface(crtc_state, plane_state);
                if (ret)
                        return ret;
@@ -3507,6 +3513,12 @@ static u32 skl_plane_ctl_format(uint32_t pixel_format)
                return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_VYUY;
        case DRM_FORMAT_NV12:
                return PLANE_CTL_FORMAT_NV12;
+       case DRM_FORMAT_P010:
+               return PLANE_CTL_FORMAT_P010;
+       case DRM_FORMAT_P012:
+               return PLANE_CTL_FORMAT_P012;
+       case DRM_FORMAT_P016:
+               return PLANE_CTL_FORMAT_P016;
        default:
                MISSING_CASE(pixel_format);
        }
@@ -4808,8 +4820,7 @@ skl_update_scaler(struct intel_crtc_state *crtc_state, 
bool force_detach,
        need_scaling = src_w != dst_w || src_h != dst_h;
 
        if (plane_scaler_check)
-               if (pixel_format == DRM_FORMAT_NV12)
-                       need_scaling = true;
+               need_scaling = is_planar_yuv_format(pixel_format);
 
        if (crtc_state->ycbcr420 && scaler_user == SKL_CRTC_INDEX)
                need_scaling = true;
@@ -4850,7 +4861,7 @@ skl_update_scaler(struct intel_crtc_state *crtc_state, 
bool force_detach,
                return 0;
        }
 
-       if (plane_scaler_check && pixel_format == DRM_FORMAT_NV12 &&
+       if (plane_scaler_check && is_planar_yuv_format(pixel_format) &&
            (src_h < SKL_MIN_YUV_420_SRC_H || src_w < SKL_MIN_YUV_420_SRC_W)) {
                DRM_DEBUG_KMS("NV12: src dimensions not met\n");
                return -EINVAL;
@@ -4955,6 +4966,9 @@ static int skl_update_scaler_plane(struct 
intel_crtc_state *crtc_state,
        case DRM_FORMAT_UYVY:
        case DRM_FORMAT_VYUY:
        case DRM_FORMAT_NV12:
+       case DRM_FORMAT_P010:
+       case DRM_FORMAT_P012:
+       case DRM_FORMAT_P016:
                break;
        default:
                DRM_DEBUG_KMS("[PLANE:%d:%s] FB:%d unsupported scaling format 
0x%x\n",
@@ -13093,7 +13107,7 @@ skl_max_scale(struct intel_crtc *intel_crtc,
         *            or
         *    cdclk/crtc_clock
         */
-       mult = pixel_format == DRM_FORMAT_NV12 ? 2 : 3;
+       mult = is_planar_yuv_format(pixel_format) ? 2 : 3;
        tmpclk1 = (1 << 16) * mult - 1;
        tmpclk2 = (1 << 8) * ((max_dotclk << 8) / crtc_clock);
        max_scale = min(tmpclk1, tmpclk2);
@@ -13325,6 +13339,9 @@ static bool skl_plane_format_mod_supported(struct 
drm_plane *_plane,
        case DRM_FORMAT_UYVY:
        case DRM_FORMAT_VYUY:
        case DRM_FORMAT_NV12:
+       case DRM_FORMAT_P010:
+       case DRM_FORMAT_P012:
+       case DRM_FORMAT_P016:
                if (modifier == I915_FORMAT_MOD_Yf_TILED)
                        return true;
                /* fall through */
@@ -14465,6 +14482,23 @@ static int intel_framebuffer_init(struct 
intel_framebuffer *intel_fb,
                        goto err;
                }
                break;
+       case DRM_FORMAT_P010:
+       case DRM_FORMAT_P012:
+       case DRM_FORMAT_P016:
+               if (mode_cmd->modifier[0] == I915_FORMAT_MOD_Y_TILED_CCS ||
+                   mode_cmd->modifier[0] == I915_FORMAT_MOD_Yf_TILED_CCS) {
+                       DRM_DEBUG_KMS("RC not to be enabled with %s\n",
+                                     
drm_get_format_name(mode_cmd->pixel_format,
+                                     &format_name));
+                       goto err;
+               }
+               if (!IS_GEMINILAKE(dev_priv) && !IS_CANNONLAKE(dev_priv)) {
+                       DRM_DEBUG_KMS("unsupported pixel format: %s\n",
+                                     
drm_get_format_name(mode_cmd->pixel_format,
+                                     &format_name));
+                       goto err;
+               }
+               break;
        default:
                DRM_DEBUG_KMS("unsupported pixel format: %s\n",
                              drm_get_format_name(mode_cmd->pixel_format, 
&format_name));
@@ -14477,7 +14511,7 @@ static int intel_framebuffer_init(struct 
intel_framebuffer *intel_fb,
 
        drm_helper_mode_fill_fb_struct(&dev_priv->drm, fb, mode_cmd);
 
-       if (fb->format->format == DRM_FORMAT_NV12 &&
+       if (is_planar_yuv_format(fb->format->format) &&
            (fb->width < SKL_MIN_YUV_420_SRC_W ||
             fb->height < SKL_MIN_YUV_420_SRC_H ||
             (fb->width % 4) != 0 || (fb->height % 4) != 0)) {
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 884010874..84f1431 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -2075,6 +2075,7 @@ bool intel_sdvo_init(struct drm_i915_private *dev_priv,
 
 /* intel_sprite.c */
 bool intel_format_is_yuv(u32 format);
+bool is_planar_yuv_format(uint32_t pixelformat);
 int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode,
                             int usecs);
 struct intel_plane *intel_sprite_plane_create(struct drm_i915_private 
*dev_priv,
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 53aaaa3..97d0243 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3911,7 +3911,7 @@ skl_ddb_get_hw_plane_state(struct drm_i915_private 
*dev_priv,
        val = I915_READ(PLANE_BUF_CFG(pipe, plane_id));
        val2 = I915_READ(PLANE_NV12_BUF_CFG(pipe, plane_id));
 
-       if (fourcc == DRM_FORMAT_NV12) {
+       if (is_planar_yuv_format(fourcc)) {
                skl_ddb_entry_init_from_hw(dev_priv,
                                           &ddb->plane[pipe][plane_id], val2);
                skl_ddb_entry_init_from_hw(dev_priv,
@@ -4119,7 +4119,7 @@ skl_plane_relative_data_rate(const struct 
intel_crtc_state *cstate,
 
        if (intel_plane->id == PLANE_CURSOR)
                return 0;
-       if (plane == 1 && format != DRM_FORMAT_NV12)
+       if (plane == 1 && !is_planar_yuv_format(format))
                return 0;
 
        /*
@@ -4131,7 +4131,7 @@ skl_plane_relative_data_rate(const struct 
intel_crtc_state *cstate,
        height = drm_rect_height(&intel_pstate->base.src) >> 16;
 
        /* UV plane does 1/2 pixel sub-sampling */
-       if (plane == 1 && format == DRM_FORMAT_NV12) {
+       if (plane == 1 && is_planar_yuv_format(format)) {
                width /= 2;
                height /= 2;
        }
@@ -4198,7 +4198,7 @@ skl_ddb_min_alloc(const struct drm_plane_state *pstate, 
const int plane)
                return 0;
 
        /* For packed formats, and uv-plane, return 0 */
-       if (plane == 1 && fb->format->format != DRM_FORMAT_NV12)
+       if (plane == 1 && !is_planar_yuv_format(fb->format->format))
                return 0;
 
        /* For Non Y-tile return 8-blocks */
@@ -4216,7 +4216,7 @@ skl_ddb_min_alloc(const struct drm_plane_state *pstate, 
const int plane)
        src_w = drm_rect_width(&intel_pstate->base.src) >> 16;
        src_h = drm_rect_height(&intel_pstate->base.src) >> 16;
 
-       /* Halve UV plane width and height for NV12 */
+       /* Halve UV plane width and height for NV12 and other planar yuv */
        if (plane == 1) {
                src_w /= 2;
                src_h /= 2;
@@ -4495,8 +4495,8 @@ skl_compute_plane_wm_params(const struct drm_i915_private 
*dev_priv,
                return 0;
 
        /* only NV12 format has two planes */
-       if (plane_id == 1 && fb->format->format != DRM_FORMAT_NV12) {
-               DRM_DEBUG_KMS("Non NV12 format have single plane\n");
+       if (plane_id == 1 && !is_planar_yuv_format(fb->format->format)) {
+               DRM_DEBUG_KMS("Non planar format have single plane\n");
                return -EINVAL;
        }
 
@@ -4507,7 +4507,7 @@ skl_compute_plane_wm_params(const struct drm_i915_private 
*dev_priv,
        wp->x_tiled = fb->modifier == I915_FORMAT_MOD_X_TILED;
        wp->rc_surface = fb->modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
                         fb->modifier == I915_FORMAT_MOD_Yf_TILED_CCS;
-       wp->is_planar = fb->format->format == DRM_FORMAT_NV12;
+       wp->is_planar = is_planar_yuv_format(fb->format->format);
 
        if (plane->id == PLANE_CURSOR) {
                wp->width = intel_pstate->base.crtc_w;
@@ -4782,8 +4782,7 @@ skl_compute_wm_levels(const struct drm_i915_private 
*dev_priv,
                        return ret;
        }
 
-       if (intel_pstate->base.fb->format->format == DRM_FORMAT_NV12)
-               wm->is_planar = true;
+       wm->is_planar = 
is_planar_yuv_format(intel_pstate->base.fb->format->format);
 
        return 0;
 }
diff --git a/drivers/gpu/drm/i915/intel_sprite.c 
b/drivers/gpu/drm/i915/intel_sprite.c
index 344c0e7..61b6bd7 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -49,6 +49,22 @@ bool intel_format_is_yuv(u32 format)
        case DRM_FORMAT_VYUY:
        case DRM_FORMAT_YVYU:
        case DRM_FORMAT_NV12:
+       case DRM_FORMAT_P010:
+       case DRM_FORMAT_P012:
+       case DRM_FORMAT_P016:
+               return true;
+       default:
+               return false;
+       }
+}
+
+bool is_planar_yuv_format(uint32_t pixelformat)
+{
+       switch (pixelformat) {
+       case DRM_FORMAT_NV12:
+       case DRM_FORMAT_P010:
+       case DRM_FORMAT_P012:
+       case DRM_FORMAT_P016:
                return true;
        default:
                return false;
@@ -1041,7 +1057,7 @@ intel_check_sprite_plane(struct intel_plane *plane,
                src->y2 = (src_y + src_h) << 16;
 
                if (intel_format_is_yuv(fb->format->format) &&
-                   fb->format->format != DRM_FORMAT_NV12 &&
+                   !is_planar_yuv_format(fb->format->format) &&
                    (src_x % 2 || src_w % 2)) {
                        DRM_DEBUG_KMS("src x/w (%u, %u) must be a multiple of 2 
for YUV planes\n",
                                      src_x, src_w);
@@ -1421,6 +1437,9 @@ static bool skl_plane_format_mod_supported(struct 
drm_plane *_plane,
        case DRM_FORMAT_UYVY:
        case DRM_FORMAT_VYUY:
        case DRM_FORMAT_NV12:
+       case DRM_FORMAT_P010:
+       case DRM_FORMAT_P012:
+       case DRM_FORMAT_P016:
                if (modifier == I915_FORMAT_MOD_Yf_TILED)
                        return true;
                /* fall through */
-- 
2.7.4

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