@@ -29,7 +29,11 @@ static void venus_reset_cpu(struct venus_core *core)
u32 fw_size = core->fw.mapped_mem_size;
void __iomem *wrapper_base;
- if (IS_V6(core))
+ /*
+ * When there's no Qualcomm TZ (like on Chromebooks), the OS is
+ * responsible for bringing up the hardware instead.
+ */
+ if (!core->use_tz)
wrapper_base = core->wrapper_tz_base;
else
wrapper_base = core->wrapper_base;
@@ -41,7 +45,7 @@ static void venus_reset_cpu(struct venus_core *core)
writel(fw_size, wrapper_base + WRAPPER_NONPIX_START_ADDR);
writel(fw_size, wrapper_base + WRAPPER_NONPIX_END_ADDR);
- if (IS_V6(core)) {
+ if (!core->use_tz) {
/* Bring XTSS out of reset */
writel(0, wrapper_base + WRAPPER_TZ_XTSS_SW_RESET);
} else {
@@ -67,7 +71,7 @@ int venus_set_hw_state(struct venus_core *core, bool resume)
if (resume) {
venus_reset_cpu(core);
} else {
- if (IS_V6(core))
+ if (!core->use_tz)
writel(WRAPPER_XTSS_SW_RESET_BIT,
core->wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET);
else
@@ -179,7 +183,7 @@ static int venus_shutdown_no_tz(struct venus_core *core)
void __iomem *wrapper_base = core->wrapper_base;
void __iomem *wrapper_tz_base = core->wrapper_tz_base;
- if (IS_V6(core)) {
+ if (IS_IRIS2_1(core)) {
/* Assert the reset to XTSS */
reg = readl(wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET);
reg |= WRAPPER_XTSS_SW_RESET_BIT;
Most of these checks should have checked for TZ presence (or well, absence), as we shouldn't really be doing things that the black box does for us on non-CrOS platforms. The IS_V6() check in venus_shutdown_no_tz() should have checked whether the core version is IRIS2_1 (so, SC7280). Fix that. Fixes: afeae6ef0780 ("media: venus: firmware: enable no tz fw loading for sc7280") Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> --- drivers/media/platform/qcom/venus/firmware.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-)