Merge tag 'tag-venus-for-v6.2' of git://linuxtv.org/svarbanov/media_tree into media_stage

Venus updates for v6.2

* tag 'tag-venus-for-v6.2' of git://linuxtv.org/svarbanov/media_tree:
  venus: pm_helpers: Fix error check in vcodec_domains_get()
  venus: firmware: Correct assertion of reset bit on remote processor
  venus: firmware: Correct non-pix start and end addresses
  venus: firmware: Correct reset bit
  MAINTAINERS: Change email for Venus driver
  MAINTAINERS: Add Vikash as VENUS video driver co-maintainer

MAINTAINERS

@@ -17175,7 +17175,8 @@ F:	Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
 F:	drivers/thermal/qcom/
 
 QUALCOMM VENUS VIDEO ACCELERATOR DRIVER
-M:	Stanimir Varbanov <stanimir.varbanov@linaro.org>
+M:	Stanimir Varbanov <stanimir.k.varbanov@gmail.com>
+M:	Vikash Garodia <quic_vgarodia@quicinc.com>
 L:	linux-media@vger.kernel.org
 L:	linux-arm-msm@vger.kernel.org
 S:	Maintained

drivers/media/platform/qcom/venus/firmware.c

@@ -38,8 +38,8 @@ static void venus_reset_cpu(struct venus_core *core)
 	writel(fw_size, wrapper_base + WRAPPER_FW_END_ADDR);
 	writel(0, wrapper_base + WRAPPER_CPA_START_ADDR);
 	writel(fw_size, wrapper_base + WRAPPER_CPA_END_ADDR);
-	writel(fw_size, wrapper_base + WRAPPER_NONPIX_START_ADDR);
-	writel(fw_size, wrapper_base + WRAPPER_NONPIX_END_ADDR);
+	writel(0, wrapper_base + WRAPPER_NONPIX_START_ADDR);
+	writel(0, wrapper_base + WRAPPER_NONPIX_END_ADDR);
 
 	if (IS_V6(core)) {
 		/* Bring XTSS out of reset */
@@ -68,9 +68,11 @@ int venus_set_hw_state(struct venus_core *core, bool resume)
 		venus_reset_cpu(core);
 	} else {
 		if (IS_V6(core))
-			writel(1, core->wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET);
+			writel(WRAPPER_XTSS_SW_RESET_BIT,
+			       core->wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET);
 		else
-			writel(1, core->wrapper_base + WRAPPER_A9SS_SW_RESET);
+			writel(WRAPPER_A9SS_SW_RESET_BIT,
+			       core->wrapper_base + WRAPPER_A9SS_SW_RESET);
 	}
 
 	return 0;
@@ -179,17 +181,15 @@ static int venus_shutdown_no_tz(struct venus_core *core)
 
 	if (IS_V6(core)) {
 		/* Assert the reset to XTSS */
-		reg = readl_relaxed(wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET);
+		reg = readl(wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET);
 		reg |= WRAPPER_XTSS_SW_RESET_BIT;
-		writel_relaxed(reg, wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET);
+		writel(reg, wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET);
 	} else {
 		/* Assert the reset to ARM9 */
-		reg = readl_relaxed(wrapper_base + WRAPPER_A9SS_SW_RESET);
+		reg = readl(wrapper_base + WRAPPER_A9SS_SW_RESET);
 		reg |= WRAPPER_A9SS_SW_RESET_BIT;
-		writel_relaxed(reg, wrapper_base + WRAPPER_A9SS_SW_RESET);
+		writel(reg, wrapper_base + WRAPPER_A9SS_SW_RESET);
 	}
-	/* Make sure reset is asserted before the mapping is removed */
-	mb();
 
 	iommu = core->fw.iommu_domain;
 

drivers/media/platform/qcom/venus/pm_helpers.c

@@ -869,8 +869,8 @@ static int vcodec_domains_get(struct venus_core *core)
 	for (i = 0; i < res->vcodec_pmdomains_num; i++) {
 		pd = dev_pm_domain_attach_by_name(dev,
 						  res->vcodec_pmdomains[i]);
-		if (IS_ERR(pd))
-			return PTR_ERR(pd);
+		if (IS_ERR_OR_NULL(pd))
+			return PTR_ERR(pd) ? : -ENODATA;
 		core->pmdomains[i] = pd;
 	}