diff options
Diffstat (limited to 'drivers/gpu/imx/dcss/dcss-dpr.c')
| -rw-r--r-- | drivers/gpu/imx/dcss/dcss-dpr.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/gpu/imx/dcss/dcss-dpr.c b/drivers/gpu/imx/dcss/dcss-dpr.c index ba89a37c4247..ebf2b06957b5 100644 --- a/drivers/gpu/imx/dcss/dcss-dpr.c +++ b/drivers/gpu/imx/dcss/dcss-dpr.c @@ -111,6 +111,8 @@ struct dcss_dpr_ch { u32 sys_ctrl; u32 rtram_ctrl; + bool sys_ctrl_chgd; + u32 pitch; bool use_dtrc; @@ -431,8 +433,7 @@ void dcss_dpr_enable(struct dcss_soc *dcss, int ch_num, bool en) } if (ch->sys_ctrl != sys_ctrl) - dcss_dpr_write(dpr, ch_num, sys_ctrl, - DCSS_DPR_SYSTEM_CTRL0); + ch->sys_ctrl_chgd = true; ch->sys_ctrl = sys_ctrl; } @@ -651,3 +652,19 @@ void dcss_dpr_format_set(struct dcss_soc *dcss, int ch_num, u32 pix_format, dcss_dpr_rtram_set(dcss, ch_num, pix_format); } EXPORT_SYMBOL(dcss_dpr_format_set); + +void dcss_dpr_write_sysctrl(struct dcss_soc *dcss) +{ + int chnum; + + for (chnum = 0; chnum < 3; chnum++) { + struct dcss_dpr_ch *ch = &dcss->dpr_priv->ch[chnum]; + + if (ch->sys_ctrl_chgd) { + dcss_ctxld_write_irqsafe(dcss, ch->ctx_id, ch->sys_ctrl, + ch->base_ofs + + DCSS_DPR_SYSTEM_CTRL0); + ch->sys_ctrl_chgd = false; + } + } +} |