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msm: mdss: Disable post processing feature if partial update is enabled

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Block all post processing and histogram IOCTLs if partial update sysfs node
value is set to true, except for the disabling calls.

Change-Id: Ib32a668747569d9ad898f5519d7fd22b9bb41547
Signed-off-by: Ping Li <pingli@codeaurora.org>
This commit is contained in:
Ping Li 2014-07-30 14:53:56 -07:00 • committed by David Keitel
parent 2e4141400c
commit 2446a049dd
1 changed files with 70 additions and 0 deletions
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70
drivers/video/fbdev/msm/mdss_mdp_overlay.c
View file

@ -2695,6 +2695,62 @@ static int mdss_bl_scale_config(struct msm_fb_data_type *mfd,
return ret; return ret;
} }
static int mdss_mdp_pp_is_disable_op(struct msmfb_mdp_pp *pp)
{
int flags = 0, ret = 0;
switch (pp->op) {
case mdp_op_pa_cfg:
flags = pp->data.pa_cfg_data.pa_data.flags;
break;
case mdp_op_pa_v2_cfg:
flags = pp->data.pa_v2_cfg_data.pa_v2_data.flags;
break;
case mdp_op_pcc_cfg:
flags = pp->data.pcc_cfg_data.ops;
break;
case mdp_op_lut_cfg:
switch (pp->data.lut_cfg_data.lut_type) {
case mdp_lut_igc:
flags = pp->data.lut_cfg_data.data.igc_lut_data.ops;
break;
case mdp_lut_pgc:
flags = pp->data.lut_cfg_data.data.pgc_lut_data.flags;
break;
case mdp_lut_hist:
flags = pp->data.lut_cfg_data.data.hist_lut_data.ops;
break;
default:
break;
}
break;
case mdp_op_dither_cfg:
flags = pp->data.dither_cfg_data.flags;
break;
case mdp_op_gamut_cfg:
flags = pp->data.gamut_cfg_data.flags;
break;
case mdp_op_ad_cfg:
flags = pp->data.ad_init_cfg.ops;
break;
case mdp_bl_scale_cfg:
flags = MDP_PP_OPS_DISABLE;
break;
case mdp_op_ad_input:
case mdp_op_calib_cfg:
case mdp_op_calib_mode:
case mdp_op_calib_buffer:
case mdp_op_calib_dcm_state:
break;
default:
pr_err("Unsupported request to MDP_PP IOCTL. %d = op\n",
pp->op);
break;
}
if (flags & MDP_PP_OPS_DISABLE)
ret = 1;
return ret;
}
static int mdss_mdp_pp_ioctl(struct msm_fb_data_type *mfd, static int mdss_mdp_pp_ioctl(struct msm_fb_data_type *mfd,
void __user *argp) void __user *argp)
{ {
@ -2703,6 +2759,7 @@ static int mdss_mdp_pp_ioctl(struct msm_fb_data_type *mfd,
struct mdss_data_type *mdata = mdss_mdp_get_mdata(); struct mdss_data_type *mdata = mdss_mdp_get_mdata();
u32 copyback = 0; u32 copyback = 0;
u32 copy_from_kernel = 0; u32 copy_from_kernel = 0;
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
if (!mdata) if (!mdata)
return -EPERM; return -EPERM;
@ -2720,6 +2777,12 @@ static int mdss_mdp_pp_ioctl(struct msm_fb_data_type *mfd,
return -EPERM; return -EPERM;
} }
if (mfd->panel_info->partial_update_enabled && mdp5_data->dyn_pu_state
&& !mdss_mdp_pp_is_disable_op(&mdp_pp)) {
pr_debug("Partial update feature is enabled.\n");
return -EPERM;
}
/* Supprt only MDP register read/write and /* Supprt only MDP register read/write and
exit_dcm in DCM state*/ exit_dcm in DCM state*/
if (mfd->dcm_state == DCM_ENTER && if (mfd->dcm_state == DCM_ENTER &&
@ -2832,6 +2895,7 @@ static int mdss_mdp_histo_ioctl(struct msm_fb_data_type *mfd, u32 cmd,
struct mdss_data_type *mdata = mdss_mdp_get_mdata(); struct mdss_data_type *mdata = mdss_mdp_get_mdata();
u32 block; u32 block;
static int req = -1; static int req = -1;
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
if (!mdata) if (!mdata)
return -EPERM; return -EPERM;
@ -2841,6 +2905,12 @@ static int mdss_mdp_histo_ioctl(struct msm_fb_data_type *mfd, u32 cmd,
return -EPERM; return -EPERM;
} }
if (mfd->panel_info->partial_update_enabled && mdp5_data->dyn_pu_state
&& (cmd != MSMFB_HISTOGRAM_STOP)) {
pr_err("Partial update feature is enabled.\n");
return -EPERM;
}
switch (cmd) { switch (cmd) {
case MSMFB_HISTOGRAM_START: case MSMFB_HISTOGRAM_START:
if (mdss_fb_is_power_off(mfd)) if (mdss_fb_is_power_off(mfd))