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Commit 303ac7b5 authored by Samantha Tran's avatar Samantha Tran
Browse files

disp: msm: sde: set predownscale x_0 if value not provided 



Currently, the value for predownscale_x_0 is being set based
on source height and destination height. This value should only
be set if userspace has not set a value for it already or if
default scale is enabled through debugfs.

Change-Id: Icf13ac33ae4a1a40bff90cd639428e9a11f96241
Signed-off-by: default avatarSamantha Tran <samtran@codeaurora.org>
parent a60fc941

msm/sde/sde_plane.c

+7 −4
Original line number Diff line number Diff line
@@ -819,7 +819,6 @@ static void _sde_plane_setup_scaler3(struct sde_plane *psde, 
{

	uint32_t decimated, i, src_w, src_h, dst_w, dst_h, src_h_pre_down;

	struct sde_hw_scaler3_cfg *scale_cfg;

	struct sde_hw_inline_pre_downscale_cfg *pd_cfg;

	bool pre_down_supported = (psde->features & BIT(SDE_SSPP_PREDOWNSCALE));

	bool inline_rotation = (pstate->rotation & DRM_MODE_ROTATE_90);
@@ -832,7 +831,6 @@ static void _sde_plane_setup_scaler3(struct sde_plane *psde, 
	}



	scale_cfg = &pstate->scaler3_cfg;

	pd_cfg = &pstate->pre_down;

	src_w = psde->pipe_cfg.src_rect.w;

	src_h = psde->pipe_cfg.src_rect.h;

	dst_w = psde->pipe_cfg.dst_rect.w;
@@ -2338,7 +2336,7 @@ static void _sde_plane_get_max_downscale_limits(struct sde_plane *psde, 
		u32 src_h, u32 *max_numer_w, u32 *max_denom_w,

		u32 *max_numer_h, u32 *max_denom_h)

{

	bool rotated, has_predown;

	bool rotated, has_predown, default_scale;

	const struct sde_sspp_sub_blks *sblk;

	struct sde_hw_inline_pre_downscale_cfg *pd;
@@ -2353,12 +2351,17 @@ static void _sde_plane_get_max_downscale_limits(struct sde_plane *psde, 
	if (has_predown)

		pd = &pstate->pre_down;



	default_scale = psde->debugfs_default_scale ||

	    (pstate->scaler_check_state != SDE_PLANE_SCLCHECK_SCALER_V2 &&

	    pstate->scaler_check_state != SDE_PLANE_SCLCHECK_SCALER_V2_CHECK);



	/**

	 * Inline rotation has different max vertical downscaling limits since

	 * the source-width becomes the scaler's pre-downscaled source-height.

	 **/

	if (rotated) {

		if (rt_client && has_predown) {

			if (default_scale)

				pd->pre_downscale_x_0 = (src_h >

					mult_frac(dst_h, 11, 5)) ? 2 : 0;

			*max_numer_h = pd->pre_downscale_x_0 ?