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@xxxxxx>
> ---
> 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@xxxxxxxxxx>
Tested-by: Lee Jones <lee.jones@xxxxxxxxxx>
> 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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