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[05/14] drm/msm/a6xx: Introduce a6xx_llc_read

Message ID 20230628-topic-a7xx_drmmsm-v1-5-a7f4496e0c12@linaro.org
State Superseded
Headers show
Series A7xx support | expand

Commit Message

Konrad Dybcio June 28, 2023, 8:35 p.m. UTC 
Add a helper that does exactly what it says on the can, it'll be
required for A7xx.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 488c69cf08d3..a70e36178058 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -1740,6 +1740,11 @@  static void a6xx_llc_rmw(struct a6xx_gpu *a6xx_gpu, u32 reg, u32 mask, u32 or)
 	return msm_rmw(a6xx_gpu->llc_mmio + (reg << 2), mask, or);
 }
 
+static u32 a6xx_llc_read(struct a6xx_gpu *a6xx_gpu, u32 reg)
+{
+	return msm_readl(a6xx_gpu->llc_mmio + (reg << 2));
+}
+
 static void a6xx_llc_write(struct a6xx_gpu *a6xx_gpu, u32 reg, u32 value)
 {
 	msm_writel(value, a6xx_gpu->llc_mmio + (reg << 2));