[Intel-gfx] [PATCH v2 01/17] drm/i915: Add scaled paramater to update_sprite_watermarks()

Daniel Vetter daniel at ffwll.ch
Mon Aug 5 18:23:47 CEST 2013


On Thu, Aug 01, 2013 at 04:18:39PM +0300, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> For calculating watermarks we want to know whether sprites are
> scaled. Pass that information to update_sprite_watermarks() so that
> eventually we may do some watermark pre-computing.
> 
> v2: Use "enabled" consistently, fix commit msg
> 
> Reviewed-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Oops, already merged v1. Please extract the fixup again and resubmit ;-)
-Daniel

> ---
>  drivers/gpu/drm/i915/i915_drv.h     |  2 +-
>  drivers/gpu/drm/i915/intel_drv.h    |  7 ++++---
>  drivers/gpu/drm/i915/intel_pm.c     | 15 ++++++++-------
>  drivers/gpu/drm/i915/intel_sprite.c | 11 +++++++----
>  4 files changed, 20 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 82ea281..fe466bc 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -361,7 +361,7 @@ struct drm_i915_display_funcs {
>  	void (*update_wm)(struct drm_device *dev);
>  	void (*update_sprite_wm)(struct drm_device *dev, int pipe,
>  				 uint32_t sprite_width, int pixel_size,
> -				 bool enable);
> +				 bool enabled, bool scaled);
>  	void (*modeset_global_resources)(struct drm_device *dev);
>  	/* Returns the active state of the crtc, and if the crtc is active,
>  	 * fills out the pipe-config with the hw state. */
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index 474797b..ed33976 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -349,7 +349,8 @@ struct intel_plane {
>  	 * for the watermark calculations. Currently only Haswell uses this.
>  	 */
>  	struct {
> -		bool enable;
> +		bool enabled;
> +		bool scaled;
>  		uint8_t bytes_per_pixel;
>  		uint32_t horiz_pixels;
>  	} wm;
> @@ -770,8 +771,8 @@ extern void intel_ddi_init(struct drm_device *dev, enum port port);
>  /* For use by IVB LP watermark workaround in intel_sprite.c */
>  extern void intel_update_watermarks(struct drm_device *dev);
>  extern void intel_update_sprite_watermarks(struct drm_device *dev, int pipe,
> -					   uint32_t sprite_width,
> -					   int pixel_size, bool enable);
> +					   uint32_t sprite_width, int pixel_size,
> +					   bool enabled, bool scaled);
>  
>  extern unsigned long intel_gen4_compute_page_offset(int *x, int *y,
>  						    unsigned int tiling_mode,
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 0a5ba92..5a008d1 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -2388,7 +2388,7 @@ static void hsw_compute_wm_parameters(struct drm_device *dev,
>  		pipe = intel_plane->pipe;
>  		p = &params[pipe];
>  
> -		p->sprite_enabled = intel_plane->wm.enable;
> +		p->sprite_enabled = intel_plane->wm.enabled;
>  		p->spr_bytes_per_pixel = intel_plane->wm.bytes_per_pixel;
>  		p->spr_horiz_pixels = intel_plane->wm.horiz_pixels;
>  
> @@ -2616,7 +2616,7 @@ static void haswell_update_wm(struct drm_device *dev)
>  
>  static void haswell_update_sprite_wm(struct drm_device *dev, int pipe,
>  				     uint32_t sprite_width, int pixel_size,
> -				     bool enable)
> +				     bool enabled, bool scaled)
>  {
>  	struct drm_plane *plane;
>  
> @@ -2624,7 +2624,8 @@ static void haswell_update_sprite_wm(struct drm_device *dev, int pipe,
>  		struct intel_plane *intel_plane = to_intel_plane(plane);
>  
>  		if (intel_plane->pipe == pipe) {
> -			intel_plane->wm.enable = enable;
> +			intel_plane->wm.enabled = enabled;
> +			intel_plane->wm.scaled = scaled;
>  			intel_plane->wm.horiz_pixels = sprite_width + 1;
>  			intel_plane->wm.bytes_per_pixel = pixel_size;
>  			break;
> @@ -2712,7 +2713,7 @@ sandybridge_compute_sprite_srwm(struct drm_device *dev, int plane,
>  
>  static void sandybridge_update_sprite_wm(struct drm_device *dev, int pipe,
>  					 uint32_t sprite_width, int pixel_size,
> -					 bool enable)
> +					 bool enabled, bool scaled)
>  {
>  	struct drm_i915_private *dev_priv = dev->dev_private;
>  	int latency = SNB_READ_WM0_LATENCY() * 100;	/* In unit 0.1us */
> @@ -2720,7 +2721,7 @@ static void sandybridge_update_sprite_wm(struct drm_device *dev, int pipe,
>  	int sprite_wm, reg;
>  	int ret;
>  
> -	if (!enable)
> +	if (!enabled)
>  		return;
>  
>  	switch (pipe) {
> @@ -2835,13 +2836,13 @@ void intel_update_watermarks(struct drm_device *dev)
>  
>  void intel_update_sprite_watermarks(struct drm_device *dev, int pipe,
>  				    uint32_t sprite_width, int pixel_size,
> -				    bool enable)
> +				    bool enabled, bool scaled)
>  {
>  	struct drm_i915_private *dev_priv = dev->dev_private;
>  
>  	if (dev_priv->display.update_sprite_wm)
>  		dev_priv->display.update_sprite_wm(dev, pipe, sprite_width,
> -						   pixel_size, enable);
> +						   pixel_size, enabled, scaled);
>  }
>  
>  static struct drm_i915_gem_object *
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index 55bdf70..069155f 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -114,7 +114,8 @@ vlv_update_plane(struct drm_plane *dplane, struct drm_framebuffer *fb,
>  	crtc_w--;
>  	crtc_h--;
>  
> -	intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size, true);
> +	intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size, true,
> +				       src_w != crtc_w || src_h != crtc_h);
>  
>  	I915_WRITE(SPSTRIDE(pipe, plane), fb->pitches[0]);
>  	I915_WRITE(SPPOS(pipe, plane), (crtc_y << 16) | crtc_x);
> @@ -268,7 +269,8 @@ ivb_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
>  	crtc_w--;
>  	crtc_h--;
>  
> -	intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size, true);
> +	intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size, true,
> +				       src_w != crtc_w || src_h != crtc_h);
>  
>  	/*
>  	 * IVB workaround: must disable low power watermarks for at least
> @@ -336,7 +338,7 @@ ivb_disable_plane(struct drm_plane *plane)
>  
>  	dev_priv->sprite_scaling_enabled &= ~(1 << pipe);
>  
> -	intel_update_sprite_watermarks(dev, pipe, 0, 0, false);
> +	intel_update_sprite_watermarks(dev, pipe, 0, 0, false, false);
>  
>  	/* potentially re-enable LP watermarks */
>  	if (scaling_was_enabled && !dev_priv->sprite_scaling_enabled)
> @@ -456,7 +458,8 @@ ilk_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
>  	crtc_w--;
>  	crtc_h--;
>  
> -	intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size, true);
> +	intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size, true,
> +				       src_w != crtc_w || src_h != crtc_h);
>  
>  	dvsscale = 0;
>  	if (IS_GEN5(dev) || crtc_w != src_w || crtc_h != src_h)
> -- 
> 1.8.1.5
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch



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