drm/sti: fix GDP size to support up to UHD resolution

commit 2f410f88c0a1c7e19762918d2614f506a7b63a82 upstream.

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>
Acked-by: Lee Jones <lee.jones@linaro.org>
Tested-by: Lee Jones <lee.jones@linaro.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1490280292-30466-1-git-send-email-vincent.abriou@st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 7 insertions, 5 deletions

diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c
index 81df3097b545..7fd496f99385 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
@@ -633,8 +635,8 @@ 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->pixel_format);
         if (format == -1) {
@@ -732,8 +734,8 @@ 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;