The SGX device on OMAP3 does not support retention, so remove RET from the
list of possible SGX power states. Problem debugged by Richard Woodruff
<r-woodruff2@xxxxxx>.
Signed-off-by: Richard Woodruff <r-woodruff2@xxxxxx>
Signed-off-by: Paul Walmsley <paul@xxxxxxxxx>
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
---
arch/arm/mach-omap2/powerdomains34xx.h | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-omap2/powerdomains34xx.h b/arch/arm/mach-omap2/powerdomains34xx.h
index 446a1ed..edfad42 100644
--- a/arch/arm/mach-omap2/powerdomains34xx.h
+++ b/arch/arm/mach-omap2/powerdomains34xx.h
@@ -255,6 +255,11 @@ static struct powerdomain dss_pwrdm = {
},
};
+/*
+ * Although the 34XX TRM Rev K Table 4-371 notes that retention is a
+ * possible SGX powerstate, the SGX device itself does not support
+ * retention.
+ */
static struct powerdomain sgx_pwrdm = {
.name = "sgx_pwrdm",
.prcm_offs = OMAP3430ES2_SGX_MOD,
@@ -262,7 +267,7 @@ static struct powerdomain sgx_pwrdm = {
.wkdep_srcs = gfx_sgx_wkdeps,
.sleepdep_srcs = cam_gfx_sleepdeps,
/* XXX This is accurate for 3430 SGX, but what about GFX? */
- .pwrsts = PWRSTS_OFF_RET_ON,
+ .pwrsts = PWRSTS_OFF_ON,
.pwrsts_logic_ret = PWRDM_POWER_RET,
.banks = 1,
.pwrsts_mem_ret = {
--
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