evie/android_kernel_oneplus_msm8998
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drm/msm/sde: allow forcing of kernel scaler calculation

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This patch adds a debugfs entry to the planes to force the driver
to ignore any custom scaler configuration from the user space.

CRs-Fixed: 2019305
Change-Id: I98596a1aaa0629ca1bfe81ab5c01a0d7854859e3
Signed-off-by: Clarence Ip <cip@codeaurora.org>
This commit is contained in:
Clarence Ip 2017-03-20 06:51:24 -07:00
parent e9e11292d7
commit 1331c9a856
1 changed files with 10 additions and 2 deletions
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12
drivers/gpu/drm/msm/sde/sde_plane.c
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@ -138,6 +138,7 @@ struct sde_plane {
struct sde_debugfs_regset32 debugfs_src;
struct sde_debugfs_regset32 debugfs_scaler;
struct sde_debugfs_regset32 debugfs_csc;
bool debugfs_default_scale;
};
#define to_sde_plane(x) container_of(x, struct sde_plane, base)
@ -734,6 +735,7 @@ static void _sde_plane_setup_scaler3(struct sde_phy_plane *pp,
}
memset(scale_cfg, 0, sizeof(*scale_cfg));
memset(&pp->pixel_ext, 0, sizeof(struct sde_hw_pixel_ext));
decimated = DECIMATED_DIMENSION(src_w,
pp->pipe_cfg.horz_decimation);
@ -1081,7 +1083,8 @@ static void _sde_plane_setup_scaler(struct sde_phy_plane *pp,
int error;
error = _sde_plane_setup_scaler3_lut(pp, pstate);
if (error || !pp->pixel_ext_usr) {
if (error || !pp->pixel_ext_usr ||
psde->debugfs_default_scale) {
memset(pe, 0, sizeof(struct sde_hw_pixel_ext));
/* calculate default config for QSEED3 */
_sde_plane_setup_scaler3(pp,
@ -1092,7 +1095,8 @@ static void _sde_plane_setup_scaler(struct sde_phy_plane *pp,
pp->scaler3_cfg, fmt,
chroma_subsmpl_h, chroma_subsmpl_v);
}
} else if (!pp->pixel_ext_usr || !pstate) {
} else if (!pp->pixel_ext_usr || !pstate ||
psde->debugfs_default_scale) {
uint32_t deci_dim, i;
/* calculate default configuration for QSEED2 */
@ -2593,6 +2597,10 @@ static void _sde_plane_init_debugfs(struct sde_plane *psde,
sde_debugfs_create_regset32("scaler_blk", S_IRUGO,
psde->debugfs_root,
&psde->debugfs_scaler);
debugfs_create_bool("default_scaling",
0644,
psde->debugfs_root,
&psde->debugfs_default_scale);
sde_debugfs_setup_regset32(&psde->debugfs_csc,
sblk->csc_blk.base + cfg->base,