drm: mali-dp: Add plane upscaling support
Enable the scaling engine for upscaling a single plane using the polyphase
scaler. No image enhancement support or downscaling yet*, and composition
result scaling is not implemented.
* Downscaling a plane requires mclk > pxlclk.
Signed-off-by: Mihail Atanassov <mihail.atanassov@arm.com>
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
diff --git a/drivers/gpu/drm/arm/malidp_drv.h b/drivers/gpu/drm/arm/malidp_drv.h
index 75070ef..040311f 100644
--- a/drivers/gpu/drm/arm/malidp_drv.h
+++ b/drivers/gpu/drm/arm/malidp_drv.h
@@ -53,6 +53,9 @@ struct malidp_crtc_state {
struct drm_crtc_state base;
u32 gamma_coeffs[MALIDP_COEFFTAB_NUM_COEFFS];
u32 coloradj_coeffs[MALIDP_COLORADJ_NUM_COEFFS];
+ struct malidp_se_config scaler_config;
+ /* Bitfield of all the planes that have requested a scaled output. */
+ u8 scaled_planes_mask;
};
#define to_malidp_crtc_state(x) container_of(x, struct malidp_crtc_state, base)