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drm/i915/fbc: Extract _intel_fbc_cfb_size()

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Pull the lower level stuff out from intel_fbc_cfb_size() into
a separate function that doesn't depend on the plane_state.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240705145254.3355-13-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
This commit is contained in:
Ville Syrjälä 2024-07-05 17:52:46 +03:00
parent f89d7664c3
commit 4d72202993
1 changed files with 7 additions and 2 deletions
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9
drivers/gpu/drm/i915/display/intel_fbc.c
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@ -217,13 +217,18 @@ static unsigned int intel_fbc_max_cfb_height(struct intel_display *display)
return 1536;
}
static unsigned int _intel_fbc_cfb_size(struct intel_display *display,
unsigned int height, unsigned int stride)
{
return min(height, intel_fbc_max_cfb_height(display)) * stride;
}
static unsigned int intel_fbc_cfb_size(const struct intel_plane_state *plane_state)
{
struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev);
unsigned int height = drm_rect_height(&plane_state->uapi.src) >> 16;
return min(height, intel_fbc_max_cfb_height(display)) *
intel_fbc_cfb_stride(plane_state);
return _intel_fbc_cfb_size(display, height, intel_fbc_cfb_stride(plane_state));
}
static u16 intel_fbc_override_cfb_stride(const struct intel_plane_state *plane_state)