diff mbox series

[04/20] drm/i915/fbc: Extract intel_fbc_max_plane_size()

Message ID 20240705145254.3355-5-ville.syrjala@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series drm/{i915, xe}: FBC cleanups + tweak fbdev stolen usage | expand

Commit Message

Ville Syrjälä July 5, 2024, 2:52 p.m. UTC
From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Extract intel_fbc_max_plane_size() from intel_fbc_plane_size_valid().
We'll have another use for this soon in determining how much stolen
memory we'd like to keep reserved for FBC.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_fbc.c | 29 +++++++++++++++---------
 1 file changed, 18 insertions(+), 11 deletions(-)

Comments

Rodrigo Vivi July 9, 2024, 7:51 p.m. UTC | #1
On Fri, Jul 05, 2024 at 05:52:38PM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> Extract intel_fbc_max_plane_size() from intel_fbc_plane_size_valid().
> We'll have another use for this soon in determining how much stolen
> memory we'd like to keep reserved for FBC.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_fbc.c | 29 +++++++++++++++---------
>  1 file changed, 18 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
> index 8f3b8f2cbf7b..08a431cfbbb3 100644
> --- a/drivers/gpu/drm/i915/display/intel_fbc.c
> +++ b/drivers/gpu/drm/i915/display/intel_fbc.c
> @@ -1110,25 +1110,32 @@ static bool intel_fbc_hw_tracking_covers_screen(const struct intel_plane_state *
>  	return effective_w <= max_w && effective_h <= max_h;
>  }
>  
> -static bool intel_fbc_plane_size_valid(const struct intel_plane_state *plane_state)
> +static void intel_fbc_max_plane_size(struct intel_display *display,
> +				     unsigned int *w, unsigned int *h)
>  {
> -	struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev);
>  	struct drm_i915_private *i915 = to_i915(display->drm);
> -	unsigned int w, h, max_w, max_h;
>  
>  	if (DISPLAY_VER(display) >= 10) {
> -		max_w = 5120;
> -		max_h = 4096;
> +		*w = 5120;
> +		*h = 4096;
>  	} else if (DISPLAY_VER(display) >= 8 || IS_HASWELL(i915)) {
> -		max_w = 4096;
> -		max_h = 4096;
> +		*w = 4096;
> +		*h = 4096;
>  	} else if (IS_G4X(i915) || DISPLAY_VER(display) >= 5) {
> -		max_w = 4096;
> -		max_h = 2048;
> +		*w = 4096;
> +		*h = 2048;
>  	} else {
> -		max_w = 2048;
> -		max_h = 1536;
> +		*w = 2048;
> +		*h = 1536;
>  	}
> +}
> +
> +static bool intel_fbc_plane_size_valid(const struct intel_plane_state *plane_state)
> +{
> +	struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev);
> +	unsigned int w, h, max_w, max_h;
> +
> +	intel_fbc_max_plane_size(display, &max_w, &max_h);
>  
>  	w = drm_rect_width(&plane_state->uapi.src) >> 16;
>  	h = drm_rect_height(&plane_state->uapi.src) >> 16;
> -- 
> 2.44.2
>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index 8f3b8f2cbf7b..08a431cfbbb3 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -1110,25 +1110,32 @@  static bool intel_fbc_hw_tracking_covers_screen(const struct intel_plane_state *
 	return effective_w <= max_w && effective_h <= max_h;
 }
 
-static bool intel_fbc_plane_size_valid(const struct intel_plane_state *plane_state)
+static void intel_fbc_max_plane_size(struct intel_display *display,
+				     unsigned int *w, unsigned int *h)
 {
-	struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev);
 	struct drm_i915_private *i915 = to_i915(display->drm);
-	unsigned int w, h, max_w, max_h;
 
 	if (DISPLAY_VER(display) >= 10) {
-		max_w = 5120;
-		max_h = 4096;
+		*w = 5120;
+		*h = 4096;
 	} else if (DISPLAY_VER(display) >= 8 || IS_HASWELL(i915)) {
-		max_w = 4096;
-		max_h = 4096;
+		*w = 4096;
+		*h = 4096;
 	} else if (IS_G4X(i915) || DISPLAY_VER(display) >= 5) {
-		max_w = 4096;
-		max_h = 2048;
+		*w = 4096;
+		*h = 2048;
 	} else {
-		max_w = 2048;
-		max_h = 1536;
+		*w = 2048;
+		*h = 1536;
 	}
+}
+
+static bool intel_fbc_plane_size_valid(const struct intel_plane_state *plane_state)
+{
+	struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev);
+	unsigned int w, h, max_w, max_h;
+
+	intel_fbc_max_plane_size(display, &max_w, &max_h);
 
 	w = drm_rect_width(&plane_state->uapi.src) >> 16;
 	h = drm_rect_height(&plane_state->uapi.src) >> 16;