| Message ID | 20230228-topic-venus-v4-2-feebb2f6e9b8@linaro.org |
|---|---|
| State | Accepted |
| Commit | d74e481609808330b4625b3691cf01e1f56e255e |
| Headers | show |
| Series | Venus QoL / maintainability fixes | expand |
On 5/30/2023 6:00 PM, Konrad Dybcio wrote: > 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> Reviewed-by: Vikash Garodia <quic_vgarodia@quicinc.com> > --- > 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 918a283bd890..5506a0d196ef 100644 > --- a/drivers/media/platform/qcom/venus/hfi_venus.c > +++ b/drivers/media/platform/qcom/venus/hfi_venus.c > @@ -453,7 +453,6 @@ 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 | > @@ -464,6 +463,7 @@ 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) { >
diff --git a/drivers/media/platform/qcom/venus/hfi_venus.c b/drivers/media/platform/qcom/venus/hfi_venus.c index 918a283bd890..5506a0d196ef 100644 --- a/drivers/media/platform/qcom/venus/hfi_venus.c +++ b/drivers/media/platform/qcom/venus/hfi_venus.c @@ -453,7 +453,6 @@ 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 | @@ -464,6 +463,7 @@ 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) {
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> --- drivers/media/platform/qcom/venus/hfi_venus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)