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[5/8] drm/i915: Upscale scaler max scale for NV12

Message ID 1496832108-32594-6-git-send-email-vidya.srinivas@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Srinivas, Vidya June 7, 2017, 10:41 a.m. UTC
From: Chandra Konduru <chandra.konduru@intel.com>

This patch updates scaler max limit support for NV12

Link: https://patchwork.kernel.org/patch/6426191/
Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 26 ++++++++++++++++++--------
 drivers/gpu/drm/i915/intel_drv.h     |  3 ++-
 drivers/gpu/drm/i915/intel_sprite.c  |  3 ++-
 3 files changed, 22 insertions(+), 10 deletions(-)

Comments

Ville Syrjälä June 12, 2017, 2:07 p.m. UTC | #1
On Wed, Jun 07, 2017 at 04:11:45PM +0530, Vidya Srinivas wrote:
> From: Chandra Konduru <chandra.konduru@intel.com>
> 
> This patch updates scaler max limit support for NV12
> 
> Link: https://patchwork.kernel.org/patch/6426191/
> Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
> Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
> Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_display.c | 26 ++++++++++++++++++--------
>  drivers/gpu/drm/i915/intel_drv.h     |  3 ++-
>  drivers/gpu/drm/i915/intel_sprite.c  |  3 ++-
>  3 files changed, 22 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 1de6716..f62df27 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -3443,6 +3443,8 @@ static u32 skl_plane_ctl_format(uint32_t pixel_format)
>  		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_UYVY;
>  	case DRM_FORMAT_VYUY:
>  		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_VYUY;
> +	case DRM_FORMAT_NV12:
> +		return PLANE_CTL_FORMAT_NV12;
>  	default:
>  		MISSING_CASE(pixel_format);
>  	}
> @@ -4806,7 +4808,8 @@ static void cpt_verify_modeset(struct drm_device *dev, int pipe)
>  static int
>  skl_update_scaler(struct intel_crtc_state *crtc_state, bool force_detach,
>  		  unsigned int scaler_user, int *scaler_id,
> -		  int src_w, int src_h, int dst_w, int dst_h)
> +		  int src_w, int src_h, int dst_w, int dst_h,
> +		  uint32_t pixel_format)
>  {
>  	struct intel_crtc_scaler_state *scaler_state =
>  		&crtc_state->scaler_state;
> @@ -4819,7 +4822,8 @@ static void cpt_verify_modeset(struct drm_device *dev, int pipe)
>  	 * the 90/270 degree plane rotation cases (to match the
>  	 * GTT mapping), hence no need to account for rotation here.
>  	 */
> -	need_scaling = src_w != dst_w || src_h != dst_h;
> +	need_scaling = src_w != dst_w || src_h != dst_h ||
> +					(pixel_format == DRM_FORMAT_NV12);

Useless parens, indentation is off.

>  
>  	/*
>  	 * if plane is being disabled or scaler is no more required or force detach
> @@ -4883,7 +4887,7 @@ int skl_update_scaler_crtc(struct intel_crtc_state *state)
>  	return skl_update_scaler(state, !state->base.active, SKL_CRTC_INDEX,
>  		&state->scaler_state.scaler_id,
>  		state->pipe_src_w, state->pipe_src_h,
> -		adjusted_mode->crtc_hdisplay, adjusted_mode->crtc_vdisplay);
> +		adjusted_mode->crtc_hdisplay, adjusted_mode->crtc_vdisplay, 0);
>  }
>  
>  /**
> @@ -4913,7 +4917,8 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
>  				drm_rect_width(&plane_state->base.src) >> 16,
>  				drm_rect_height(&plane_state->base.src) >> 16,
>  				drm_rect_width(&plane_state->base.dst),
> -				drm_rect_height(&plane_state->base.dst));
> +				drm_rect_height(&plane_state->base.dst),
> +				fb ? fb->format->format : 0);
>  
>  	if (ret || plane_state->scaler_id < 0)
>  		return ret;
> @@ -13629,7 +13634,8 @@ static int intel_atomic_commit(struct drm_device *dev,
>  }
>  
>  int
> -skl_max_scale(struct intel_crtc *intel_crtc, struct intel_crtc_state *crtc_state)
> +skl_max_scale(struct intel_crtc *intel_crtc,
> +	struct intel_crtc_state *crtc_state, uint32_t pixel_format)
>  {
>  	struct drm_i915_private *dev_priv;
>  	int max_scale;
> @@ -13655,8 +13661,9 @@ static int intel_atomic_commit(struct drm_device *dev,
>  	 *            or
>  	 *    cdclk/crtc_clock
>  	 */
> -	max_scale = min((1 << 16) * 3 - 1,
> -			(1 << 8) * ((max_dotclk << 8) / crtc_clock));
> +	max_scale = min((1 << 16) *
> +				(pixel_format == DRM_FORMAT_NV12 ? 2 : 3) - 1,
> +				(1 << 8) * ((max_dotclk << 8) / crtc_clock));

Quite hard to read + indentation is off. We could do something like

 max_scale = NV12 ? 2 : 3;
 max_scale = min((1 << 16) * max_scale - 1, ...);

>  
>  	return max_scale;
>  }
> @@ -13677,7 +13684,10 @@ static int intel_atomic_commit(struct drm_device *dev,
>  		/* use scaler when colorkey is not required */
>  		if (state->ckey.flags == I915_SET_COLORKEY_NONE) {
>  			min_scale = 1;
> -			max_scale = skl_max_scale(to_intel_crtc(crtc), crtc_state);
> +			max_scale = skl_max_scale(to_intel_crtc(crtc),
> +						crtc_state,
> +						state->base.fb ?
> +						state->base.fb->format->format : 0);
>  		}
>  		can_position = true;
>  	}
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index 83dd409..f6c3dca 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -1475,7 +1475,8 @@ void intel_mode_from_pipe_config(struct drm_display_mode *mode,
>  				 struct intel_crtc_state *pipe_config);
>  
>  int skl_update_scaler_crtc(struct intel_crtc_state *crtc_state);
> -int skl_max_scale(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state);
> +int skl_max_scale(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
> +	uint32_t pixel_format);
>  
>  static inline u32 intel_plane_ggtt_offset(const struct intel_plane_state *state)
>  {
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index fba8f02..d4665d2 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -823,7 +823,8 @@ static u32 g4x_sprite_ctl(const struct intel_crtc_state *crtc_state,

Something wrong with your git/diff?

>  		if (state->ckey.flags == I915_SET_COLORKEY_NONE) {
>  			can_scale = 1;
>  			min_scale = 1;
> -			max_scale = skl_max_scale(crtc, crtc_state);
> +			max_scale = skl_max_scale(crtc, crtc_state,
> +							fb->format->format);
>  		} else {
>  			can_scale = 0;
>  			min_scale = DRM_PLANE_HELPER_NO_SCALING;
> -- 
> 1.9.1
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 1de6716..f62df27 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3443,6 +3443,8 @@  static u32 skl_plane_ctl_format(uint32_t pixel_format)
 		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_UYVY;
 	case DRM_FORMAT_VYUY:
 		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_VYUY;
+	case DRM_FORMAT_NV12:
+		return PLANE_CTL_FORMAT_NV12;
 	default:
 		MISSING_CASE(pixel_format);
 	}
@@ -4806,7 +4808,8 @@  static void cpt_verify_modeset(struct drm_device *dev, int pipe)
 static int
 skl_update_scaler(struct intel_crtc_state *crtc_state, bool force_detach,
 		  unsigned int scaler_user, int *scaler_id,
-		  int src_w, int src_h, int dst_w, int dst_h)
+		  int src_w, int src_h, int dst_w, int dst_h,
+		  uint32_t pixel_format)
 {
 	struct intel_crtc_scaler_state *scaler_state =
 		&crtc_state->scaler_state;
@@ -4819,7 +4822,8 @@  static void cpt_verify_modeset(struct drm_device *dev, int pipe)
 	 * the 90/270 degree plane rotation cases (to match the
 	 * GTT mapping), hence no need to account for rotation here.
 	 */
-	need_scaling = src_w != dst_w || src_h != dst_h;
+	need_scaling = src_w != dst_w || src_h != dst_h ||
+					(pixel_format == DRM_FORMAT_NV12);
 
 	/*
 	 * if plane is being disabled or scaler is no more required or force detach
@@ -4883,7 +4887,7 @@  int skl_update_scaler_crtc(struct intel_crtc_state *state)
 	return skl_update_scaler(state, !state->base.active, SKL_CRTC_INDEX,
 		&state->scaler_state.scaler_id,
 		state->pipe_src_w, state->pipe_src_h,
-		adjusted_mode->crtc_hdisplay, adjusted_mode->crtc_vdisplay);
+		adjusted_mode->crtc_hdisplay, adjusted_mode->crtc_vdisplay, 0);
 }
 
 /**
@@ -4913,7 +4917,8 @@  static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
 				drm_rect_width(&plane_state->base.src) >> 16,
 				drm_rect_height(&plane_state->base.src) >> 16,
 				drm_rect_width(&plane_state->base.dst),
-				drm_rect_height(&plane_state->base.dst));
+				drm_rect_height(&plane_state->base.dst),
+				fb ? fb->format->format : 0);
 
 	if (ret || plane_state->scaler_id < 0)
 		return ret;
@@ -13629,7 +13634,8 @@  static int intel_atomic_commit(struct drm_device *dev,
 }
 
 int
-skl_max_scale(struct intel_crtc *intel_crtc, struct intel_crtc_state *crtc_state)
+skl_max_scale(struct intel_crtc *intel_crtc,
+	struct intel_crtc_state *crtc_state, uint32_t pixel_format)
 {
 	struct drm_i915_private *dev_priv;
 	int max_scale;
@@ -13655,8 +13661,9 @@  static int intel_atomic_commit(struct drm_device *dev,
 	 *            or
 	 *    cdclk/crtc_clock
 	 */
-	max_scale = min((1 << 16) * 3 - 1,
-			(1 << 8) * ((max_dotclk << 8) / crtc_clock));
+	max_scale = min((1 << 16) *
+				(pixel_format == DRM_FORMAT_NV12 ? 2 : 3) - 1,
+				(1 << 8) * ((max_dotclk << 8) / crtc_clock));
 
 	return max_scale;
 }
@@ -13677,7 +13684,10 @@  static int intel_atomic_commit(struct drm_device *dev,
 		/* use scaler when colorkey is not required */
 		if (state->ckey.flags == I915_SET_COLORKEY_NONE) {
 			min_scale = 1;
-			max_scale = skl_max_scale(to_intel_crtc(crtc), crtc_state);
+			max_scale = skl_max_scale(to_intel_crtc(crtc),
+						crtc_state,
+						state->base.fb ?
+						state->base.fb->format->format : 0);
 		}
 		can_position = true;
 	}
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 83dd409..f6c3dca 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1475,7 +1475,8 @@  void intel_mode_from_pipe_config(struct drm_display_mode *mode,
 				 struct intel_crtc_state *pipe_config);
 
 int skl_update_scaler_crtc(struct intel_crtc_state *crtc_state);
-int skl_max_scale(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state);
+int skl_max_scale(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
+	uint32_t pixel_format);
 
 static inline u32 intel_plane_ggtt_offset(const struct intel_plane_state *state)
 {
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index fba8f02..d4665d2 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -823,7 +823,8 @@  static u32 g4x_sprite_ctl(const struct intel_crtc_state *crtc_state,
 		if (state->ckey.flags == I915_SET_COLORKEY_NONE) {
 			can_scale = 1;
 			min_scale = 1;
-			max_scale = skl_max_scale(crtc, crtc_state);
+			max_scale = skl_max_scale(crtc, crtc_state,
+							fb->format->format);
 		} else {
 			can_scale = 0;
 			min_scale = DRM_PLANE_HELPER_NO_SCALING;