5.10-stable review patch. If anyone has any objections, please let me know.
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From: Konrad Dybcio konrad.dybcio@linaro.org
[ Upstream commit d74e481609808330b4625b3691cf01e1f56e255e ]
The startup procedure shouldn't be started with interrupts masked, as that may entail silent failures.
Kick off initialization only after the interrupts are unmasked.
Cc: stable@vger.kernel.org # v4.12+ Fixes: d96d3f30c0f2 ("[media] media: venus: hfi: add Venus HFI files") Signed-off-by: Konrad Dybcio konrad.dybcio@linaro.org Signed-off-by: Stanimir Varbanov stanimir.k.varbanov@gmail.com Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/media/platform/qcom/venus/hfi_venus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/platform/qcom/venus/hfi_venus.c b/drivers/media/platform/qcom/venus/hfi_venus.c index 97d36cafd8cb2..9d939f63d16f4 100644 --- a/drivers/media/platform/qcom/venus/hfi_venus.c +++ b/drivers/media/platform/qcom/venus/hfi_venus.c @@ -437,7 +437,6 @@ static int venus_boot_core(struct venus_hfi_device *hdev) void __iomem *wrapper_base = hdev->core->wrapper_base; int ret = 0;
- writel(BIT(VIDC_CTRL_INIT_CTRL_SHIFT), cpu_cs_base + VIDC_CTRL_INIT); if (IS_V6(hdev->core)) { mask_val = readl(wrapper_base + WRAPPER_INTR_MASK); mask_val &= ~(WRAPPER_INTR_MASK_A2HWD_BASK_V6 | @@ -448,6 +447,7 @@ static int venus_boot_core(struct venus_hfi_device *hdev) writel(mask_val, wrapper_base + WRAPPER_INTR_MASK); writel(1, cpu_cs_base + CPU_CS_SCIACMDARG3);
+ writel(BIT(VIDC_CTRL_INIT_CTRL_SHIFT), cpu_cs_base + VIDC_CTRL_INIT); while (!ctrl_status && count < max_tries) { ctrl_status = readl(cpu_cs_base + CPU_CS_SCIACMDARG0); if ((ctrl_status & CPU_CS_SCIACMDARG0_ERROR_STATUS_MASK) == 4) {