diff mbox

[v2,1/2] drm/i915: create intel_update_pipe_size()

Message ID 1410361458-20862-1-git-send-email-gustavo@padovan.org (mailing list archive)
State New, archived
Headers show

Commit Message

Gustavo Padovan Sept. 10, 2014, 3:04 p.m. UTC
From: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

Factor out a piece of code from intel_pipe_set_base() that updates
the pipe size and adjust fitter.

This will help refactor the update primary plane path.

v2: use struct intel_crtc as argument to intel_update_pipe_size()

v3: use 'crtc' as argument name

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
---
 drivers/gpu/drm/i915/intel_display.c | 70 ++++++++++++++++++++----------------
 1 file changed, 40 insertions(+), 30 deletions(-)

Comments

Ville Syrjälä Sept. 10, 2014, 4:31 p.m. UTC | #1
On Wed, Sep 10, 2014 at 12:04:17PM -0300, Gustavo Padovan wrote:
> From: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
> 
> Factor out a piece of code from intel_pipe_set_base() that updates
> the pipe size and adjust fitter.
> 
> This will help refactor the update primary plane path.
> 
> v2: use struct intel_crtc as argument to intel_update_pipe_size()
> 
> v3: use 'crtc' as argument name
> 
> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

> ---
>  drivers/gpu/drm/i915/intel_display.c | 70 ++++++++++++++++++++----------------
>  1 file changed, 40 insertions(+), 30 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 2ccf7c0..b78f00a 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -2779,6 +2779,45 @@ static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc)
>  	return pending;
>  }
>  
> +static void intel_update_pipe_size(struct intel_crtc *crtc)
> +{
> +	struct drm_device *dev = crtc->base.dev;
> +	struct drm_i915_private *dev_priv = dev->dev_private;
> +	const struct drm_display_mode *adjusted_mode;
> +
> +	if (!i915.fastboot)
> +		return;
> +
> +	/*
> +	 * Update pipe size and adjust fitter if needed: the reason for this is
> +	 * that in compute_mode_changes we check the native mode (not the pfit
> +	 * mode) to see if we can flip rather than do a full mode set. In the
> +	 * fastboot case, we'll flip, but if we don't update the pipesrc and
> +	 * pfit state, we'll end up with a big fb scanned out into the wrong
> +	 * sized surface.
> +	 *
> +	 * To fix this properly, we need to hoist the checks up into
> +	 * compute_mode_changes (or above), check the actual pfit state and
> +	 * whether the platform allows pfit disable with pipe active, and only
> +	 * then update the pipesrc and pfit state, even on the flip path.
> +	 */
> +
> +	adjusted_mode = &crtc->config.adjusted_mode;
> +
> +	I915_WRITE(PIPESRC(crtc->pipe),
> +		   ((adjusted_mode->crtc_hdisplay - 1) << 16) |
> +		   (adjusted_mode->crtc_vdisplay - 1));
> +	if (!crtc->config.pch_pfit.enabled &&
> +	    (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) ||
> +	     intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP))) {
> +		I915_WRITE(PF_CTL(crtc->pipe), 0);
> +		I915_WRITE(PF_WIN_POS(crtc->pipe), 0);
> +		I915_WRITE(PF_WIN_SZ(crtc->pipe), 0);
> +	}
> +	crtc->config.pipe_src_w = adjusted_mode->crtc_hdisplay;
> +	crtc->config.pipe_src_h = adjusted_mode->crtc_vdisplay;
> +}
> +
>  static int
>  intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
>  		    struct drm_framebuffer *fb)
> @@ -2821,36 +2860,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
>  		return ret;
>  	}
>  
> -	/*
> -	 * Update pipe size and adjust fitter if needed: the reason for this is
> -	 * that in compute_mode_changes we check the native mode (not the pfit
> -	 * mode) to see if we can flip rather than do a full mode set. In the
> -	 * fastboot case, we'll flip, but if we don't update the pipesrc and
> -	 * pfit state, we'll end up with a big fb scanned out into the wrong
> -	 * sized surface.
> -	 *
> -	 * To fix this properly, we need to hoist the checks up into
> -	 * compute_mode_changes (or above), check the actual pfit state and
> -	 * whether the platform allows pfit disable with pipe active, and only
> -	 * then update the pipesrc and pfit state, even on the flip path.
> -	 */
> -	if (i915.fastboot) {
> -		const struct drm_display_mode *adjusted_mode =
> -			&intel_crtc->config.adjusted_mode;
> -
> -		I915_WRITE(PIPESRC(intel_crtc->pipe),
> -			   ((adjusted_mode->crtc_hdisplay - 1) << 16) |
> -			   (adjusted_mode->crtc_vdisplay - 1));
> -		if (!intel_crtc->config.pch_pfit.enabled &&
> -		    (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) ||
> -		     intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) {
> -			I915_WRITE(PF_CTL(intel_crtc->pipe), 0);
> -			I915_WRITE(PF_WIN_POS(intel_crtc->pipe), 0);
> -			I915_WRITE(PF_WIN_SZ(intel_crtc->pipe), 0);
> -		}
> -		intel_crtc->config.pipe_src_w = adjusted_mode->crtc_hdisplay;
> -		intel_crtc->config.pipe_src_h = adjusted_mode->crtc_vdisplay;
> -	}
> +	intel_update_pipe_size(intel_crtc);
>  
>  	dev_priv->display.update_primary_plane(crtc, fb, x, y);
>  
> -- 
> 1.9.3
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2ccf7c0..b78f00a 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2779,6 +2779,45 @@  static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc)
 	return pending;
 }
 
+static void intel_update_pipe_size(struct intel_crtc *crtc)
+{
+	struct drm_device *dev = crtc->base.dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	const struct drm_display_mode *adjusted_mode;
+
+	if (!i915.fastboot)
+		return;
+
+	/*
+	 * Update pipe size and adjust fitter if needed: the reason for this is
+	 * that in compute_mode_changes we check the native mode (not the pfit
+	 * mode) to see if we can flip rather than do a full mode set. In the
+	 * fastboot case, we'll flip, but if we don't update the pipesrc and
+	 * pfit state, we'll end up with a big fb scanned out into the wrong
+	 * sized surface.
+	 *
+	 * To fix this properly, we need to hoist the checks up into
+	 * compute_mode_changes (or above), check the actual pfit state and
+	 * whether the platform allows pfit disable with pipe active, and only
+	 * then update the pipesrc and pfit state, even on the flip path.
+	 */
+
+	adjusted_mode = &crtc->config.adjusted_mode;
+
+	I915_WRITE(PIPESRC(crtc->pipe),
+		   ((adjusted_mode->crtc_hdisplay - 1) << 16) |
+		   (adjusted_mode->crtc_vdisplay - 1));
+	if (!crtc->config.pch_pfit.enabled &&
+	    (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) ||
+	     intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP))) {
+		I915_WRITE(PF_CTL(crtc->pipe), 0);
+		I915_WRITE(PF_WIN_POS(crtc->pipe), 0);
+		I915_WRITE(PF_WIN_SZ(crtc->pipe), 0);
+	}
+	crtc->config.pipe_src_w = adjusted_mode->crtc_hdisplay;
+	crtc->config.pipe_src_h = adjusted_mode->crtc_vdisplay;
+}
+
 static int
 intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
 		    struct drm_framebuffer *fb)
@@ -2821,36 +2860,7 @@  intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
 		return ret;
 	}
 
-	/*
-	 * Update pipe size and adjust fitter if needed: the reason for this is
-	 * that in compute_mode_changes we check the native mode (not the pfit
-	 * mode) to see if we can flip rather than do a full mode set. In the
-	 * fastboot case, we'll flip, but if we don't update the pipesrc and
-	 * pfit state, we'll end up with a big fb scanned out into the wrong
-	 * sized surface.
-	 *
-	 * To fix this properly, we need to hoist the checks up into
-	 * compute_mode_changes (or above), check the actual pfit state and
-	 * whether the platform allows pfit disable with pipe active, and only
-	 * then update the pipesrc and pfit state, even on the flip path.
-	 */
-	if (i915.fastboot) {
-		const struct drm_display_mode *adjusted_mode =
-			&intel_crtc->config.adjusted_mode;
-
-		I915_WRITE(PIPESRC(intel_crtc->pipe),
-			   ((adjusted_mode->crtc_hdisplay - 1) << 16) |
-			   (adjusted_mode->crtc_vdisplay - 1));
-		if (!intel_crtc->config.pch_pfit.enabled &&
-		    (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) ||
-		     intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) {
-			I915_WRITE(PF_CTL(intel_crtc->pipe), 0);
-			I915_WRITE(PF_WIN_POS(intel_crtc->pipe), 0);
-			I915_WRITE(PF_WIN_SZ(intel_crtc->pipe), 0);
-		}
-		intel_crtc->config.pipe_src_w = adjusted_mode->crtc_hdisplay;
-		intel_crtc->config.pipe_src_h = adjusted_mode->crtc_vdisplay;
-	}
+	intel_update_pipe_size(intel_crtc);
 
 	dev_priv->display.update_primary_plane(crtc, fb, x, y);