The exynos fimd provides video type selection bits from system register
but exynos3 series don't has it, so needs has_vtsel flag and we can
distinguish whether set video type selection bits.
Signed-off-by: Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>
---
Changelog from v1:
- rebase on latest exynos-drm-next branch
- add has_vtsel for exynos4415
drivers/gpu/drm/exynos/exynos_drm_fimd.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 5cc57f7..93b263e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -96,6 +96,7 @@ struct fimd_driver_data {
unsigned int has_clksel:1;
unsigned int has_limited_fmt:1;
unsigned int has_vidoutcon:1;
+ unsigned int has_vtsel:1;
};
static struct fimd_driver_data s3c64xx_fimd_driver_data = {
@@ -118,6 +119,7 @@ static struct fimd_driver_data exynos4_fimd_driver_data = {
.lcdblk_vt_shift = 10,
.lcdblk_bypass_shift = 1,
.has_shadowcon = 1,
+ .has_vtsel = 1,
};
static struct fimd_driver_data exynos4415_fimd_driver_data = {
@@ -127,6 +129,7 @@ static struct fimd_driver_data exynos4415_fimd_driver_data = {
.lcdblk_bypass_shift = 1,
.has_shadowcon = 1,
.has_vidoutcon = 1,
+ .has_vtsel = 1,
};
static struct fimd_driver_data exynos5_fimd_driver_data = {
@@ -136,6 +139,7 @@ static struct fimd_driver_data exynos5_fimd_driver_data = {
.lcdblk_bypass_shift = 15,
.has_shadowcon = 1,
.has_vidoutcon = 1,
+ .has_vtsel = 1,
};
struct fimd_win_data {
@@ -354,7 +358,8 @@ static void fimd_commit(struct exynos_drm_manager *mgr)
writel(0, timing_base + I80IFCONFBx(0));
/* set video type selection to I80 interface */
- if (ctx->sysreg && regmap_update_bits(ctx->sysreg,
+ if (driver_data->has_vtsel && ctx->sysreg &&
+ regmap_update_bits(ctx->sysreg,
driver_data->lcdblk_offset,
0x3 << driver_data->lcdblk_vt_shift,
0x1 << driver_data->lcdblk_vt_shift)) {
--
1.9.1
--
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