* [PATCH] drm/sti: fix GDP size to support up to UHD resolution
@ 2017-03-23 14:44 Vincent Abriou
2017-04-12 15:51 ` Lee Jones
0 siblings, 1 reply; 2+ messages in thread
From: Vincent Abriou @ 2017-03-23 14:44 UTC (permalink / raw)
To: dri-devel; +Cc: Yannick Fertre, Vincent Abriou, Fabien Dessenne
On stih407-410 chip family the GDP layers are able to support up to UHD
resolution (3840 x 2160).
Signed-off-by: Vincent Abriou <vincent.abriou@st.com>
---
drivers/gpu/drm/sti/sti_gdp.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c
index 86279f5..88f16cd 100644
--- a/drivers/gpu/drm/sti/sti_gdp.c
+++ b/drivers/gpu/drm/sti/sti_gdp.c
@@ -66,7 +66,9 @@ static struct gdp_format_to_str {
#define GAM_GDP_ALPHARANGE_255 BIT(5)
#define GAM_GDP_AGC_FULL_RANGE 0x00808080
#define GAM_GDP_PPT_IGNORE (BIT(1) | BIT(0))
-#define GAM_GDP_SIZE_MAX 0x7FF
+
+#define GAM_GDP_SIZE_MAX_WIDTH 3840
+#define GAM_GDP_SIZE_MAX_HEIGHT 2160
#define GDP_NODE_NB_BANK 2
#define GDP_NODE_PER_FIELD 2
@@ -632,8 +634,8 @@ static int sti_gdp_atomic_check(struct drm_plane *drm_plane,
/* src_x are in 16.16 format */
src_x = state->src_x >> 16;
src_y = state->src_y >> 16;
- src_w = clamp_val(state->src_w >> 16, 0, GAM_GDP_SIZE_MAX);
- src_h = clamp_val(state->src_h >> 16, 0, GAM_GDP_SIZE_MAX);
+ src_w = clamp_val(state->src_w >> 16, 0, GAM_GDP_SIZE_MAX_WIDTH);
+ src_h = clamp_val(state->src_h >> 16, 0, GAM_GDP_SIZE_MAX_HEIGHT);
format = sti_gdp_fourcc2format(fb->format->format);
if (format == -1) {
@@ -741,8 +743,8 @@ static void sti_gdp_atomic_update(struct drm_plane *drm_plane,
/* src_x are in 16.16 format */
src_x = state->src_x >> 16;
src_y = state->src_y >> 16;
- src_w = clamp_val(state->src_w >> 16, 0, GAM_GDP_SIZE_MAX);
- src_h = clamp_val(state->src_h >> 16, 0, GAM_GDP_SIZE_MAX);
+ src_w = clamp_val(state->src_w >> 16, 0, GAM_GDP_SIZE_MAX_WIDTH);
+ src_h = clamp_val(state->src_h >> 16, 0, GAM_GDP_SIZE_MAX_HEIGHT);
list = sti_gdp_get_free_nodes(gdp);
top_field = list->top_field;
--
2.7.4
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: drm/sti: fix GDP size to support up to UHD resolution
2017-03-23 14:44 [PATCH] drm/sti: fix GDP size to support up to UHD resolution Vincent Abriou
@ 2017-04-12 15:51 ` Lee Jones
0 siblings, 0 replies; 2+ messages in thread
From: Lee Jones @ 2017-04-12 15:51 UTC (permalink / raw)
To: Vincent Abriou; +Cc: Yannick Fertre, Fabien Dessenne, dri-devel
On Thu, 23 Mar 2017, Vincent Abriou wrote:
> On stih407-410 chip family the GDP layers are able to support up to UHD
> resolution (3840 x 2160).
>
> Signed-off-by: Vincent Abriou <vincent.abriou@st.com>
> ---
> drivers/gpu/drm/sti/sti_gdp.c | 12 +++++++-----
> 1 file changed, 7 insertions(+), 5 deletions(-)
Please ensure this patch makes its way into v4.12. Without it, large
monitors will be artificially clipped, which negatively affects the
user experience.
Acked-by: Lee Jones <lee.jones@linaro.org>
Tested-by: Lee Jones <lee.jones@linaro.org>
> diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c
> index 86279f5..88f16cd 100644
> --- a/drivers/gpu/drm/sti/sti_gdp.c
> +++ b/drivers/gpu/drm/sti/sti_gdp.c
> @@ -66,7 +66,9 @@ static struct gdp_format_to_str {
> #define GAM_GDP_ALPHARANGE_255 BIT(5)
> #define GAM_GDP_AGC_FULL_RANGE 0x00808080
> #define GAM_GDP_PPT_IGNORE (BIT(1) | BIT(0))
> -#define GAM_GDP_SIZE_MAX 0x7FF
> +
> +#define GAM_GDP_SIZE_MAX_WIDTH 3840
> +#define GAM_GDP_SIZE_MAX_HEIGHT 2160
>
> #define GDP_NODE_NB_BANK 2
> #define GDP_NODE_PER_FIELD 2
> @@ -632,8 +634,8 @@ static int sti_gdp_atomic_check(struct drm_plane *drm_plane,
> /* src_x are in 16.16 format */
> src_x = state->src_x >> 16;
> src_y = state->src_y >> 16;
> - src_w = clamp_val(state->src_w >> 16, 0, GAM_GDP_SIZE_MAX);
> - src_h = clamp_val(state->src_h >> 16, 0, GAM_GDP_SIZE_MAX);
> + src_w = clamp_val(state->src_w >> 16, 0, GAM_GDP_SIZE_MAX_WIDTH);
> + src_h = clamp_val(state->src_h >> 16, 0, GAM_GDP_SIZE_MAX_HEIGHT);
>
> format = sti_gdp_fourcc2format(fb->format->format);
> if (format == -1) {
> @@ -741,8 +743,8 @@ static void sti_gdp_atomic_update(struct drm_plane *drm_plane,
> /* src_x are in 16.16 format */
> src_x = state->src_x >> 16;
> src_y = state->src_y >> 16;
> - src_w = clamp_val(state->src_w >> 16, 0, GAM_GDP_SIZE_MAX);
> - src_h = clamp_val(state->src_h >> 16, 0, GAM_GDP_SIZE_MAX);
> + src_w = clamp_val(state->src_w >> 16, 0, GAM_GDP_SIZE_MAX_WIDTH);
> + src_h = clamp_val(state->src_h >> 16, 0, GAM_GDP_SIZE_MAX_HEIGHT);
>
> list = sti_gdp_get_free_nodes(gdp);
> top_field = list->top_field;
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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