The saturation bit was being set at bit 9 in the second 32-bit word of the TPMEM CSC. This isn't correct, the saturation bit is bit 42, which is bit 10 of the second word.
Fixes: 1aa8ea0d2bd5d ("gpu: ipu-v3: Add Image Converter unit")
Signed-off-by: Steve Longerbeam slongerbeam@gmail.com Cc: stable@vger.kernel.org --- drivers/gpu/ipu-v3/ipu-ic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/ipu-v3/ipu-ic.c b/drivers/gpu/ipu-v3/ipu-ic.c index 594c3cbc8291..18816ccf600e 100644 --- a/drivers/gpu/ipu-v3/ipu-ic.c +++ b/drivers/gpu/ipu-v3/ipu-ic.c @@ -257,7 +257,7 @@ static int init_csc(struct ipu_ic *ic, writel(param, base++);
param = ((a[0] & 0x1fe0) >> 5) | (params->scale << 8) | - (params->sat << 9); + (params->sat << 10); writel(param, base++);
param = ((a[1] & 0x1f) << 27) | ((c[0][1] & 0x1ff) << 18) |
On Thu, 2019-03-07 at 15:33 -0800, Steve Longerbeam wrote:
The saturation bit was being set at bit 9 in the second 32-bit word of the TPMEM CSC. This isn't correct, the saturation bit is bit 42, which is bit 10 of the second word.
Fixes: 1aa8ea0d2bd5d ("gpu: ipu-v3: Add Image Converter unit")
Signed-off-by: Steve Longerbeam slongerbeam@gmail.com Cc: stable@vger.kernel.org
drivers/gpu/ipu-v3/ipu-ic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/ipu-v3/ipu-ic.c b/drivers/gpu/ipu-v3/ipu-ic.c index 594c3cbc8291..18816ccf600e 100644 --- a/drivers/gpu/ipu-v3/ipu-ic.c +++ b/drivers/gpu/ipu-v3/ipu-ic.c @@ -257,7 +257,7 @@ static int init_csc(struct ipu_ic *ic, writel(param, base++); param = ((a[0] & 0x1fe0) >> 5) | (params->scale << 8) |
(params->sat << 9);
(params->sat << 10);param = ((a[1] & 0x1f) << 27) | ((c[0][1] & 0x1ff) << 18) |
Reviewed-by: Philipp Zabel p.zabel@pengutronix.de
regards Philipp
linux-stable-mirror@lists.linaro.org
-
Philipp Zabel -
Steve Longerbeam