evie/android_kernel_oneplus_msm8998
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Merge "clk: msm: clock-gpu-8998: Program the Droop Detector gfx_pdn"

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Linux Build Service Account 2016-12-19 00:45:06 -08:00 • committed by Gerrit - the friendly Code Review server
commit 4cc397ff6d
2 changed files with 10 additions and 0 deletions
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9
drivers/clk/msm/clock-gpu-8998.c
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@ -622,6 +622,7 @@ int msm_gfxcc_8998_probe(struct platform_device *pdev)
struct device_node *of_node = pdev->dev.of_node;
int rc;
struct regulator *reg;
u32 regval;
bool is_v2 = 0, is_vq = 0;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cc_base");
@ -697,6 +698,14 @@ int msm_gfxcc_8998_probe(struct platform_device *pdev)
*/
clk_set_flags(&gpucc_gfx3d_clk.c, CLKFLAG_RETAIN_PERIPH);
/*
* Program the droop detector's gfx_pdn to 1'b1 in order to reduce
* leakage between the graphics and CX rails.
*/
regval = readl_relaxed(virt_base_gfx + GPUCC_GPU_DD_WRAP_CTRL);
regval |= BIT(0);
writel_relaxed(regval, virt_base_gfx + GPUCC_GPU_DD_WRAP_CTRL);
dev_info(&pdev->dev, "Completed registering all GPU clocks\n");
return 0;

1
include/dt-bindings/clock/msm-clocks-hwio-8998.h
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@ -242,6 +242,7 @@
#define GPUCC_RBCPR_CBCR 0x01054
#define GPU_GX_BCR 0x01090
#define GPUCC_GX_DOMAIN_MISC 0x00130
#define GPUCC_GPU_DD_WRAP_CTRL 0x00430
#define GPUCC_DEBUG_CLK_CTL 0x00120
#define MMSS_PLL_VOTE_APCS 0x001E0