This is a note to let you know that I've just added the patch titled
drm/sti: fix GDP size to support up to UHD resolution
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-sti-fix-gdp-size-to-support-up-to-uhd-resolution.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 2f410f88c0a1c7e19762918d2614f506a7b63a82 Mon Sep 17 00:00:00 2001
From: Vincent Abriou <vincent.abriou@xxxxxx>
Date: Thu, 23 Mar 2017 15:44:52 +0100
Subject: drm/sti: fix GDP size to support up to UHD resolution
From: Vincent Abriou <vincent.abriou@xxxxxx>
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@xxxxxx>
Acked-by: Lee Jones <lee.jones@xxxxxxxxxx>
Tested-by: Lee Jones <lee.jones@xxxxxxxxxx>
Link: http://patchwork.freedesktop.org/patch/msgid/1490280292-30466-1-git-send-email-vincent.abriou@xxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/sti/sti_gdp.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
--- 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 d
/* 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
/* 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;
Patches currently in stable-queue which might be from vincent.abriou@xxxxxx are
queue-4.9/drm-sti-fix-gdp-size-to-support-up-to-uhd-resolution.patch