From: Jonathan Marek <jonathan@marek.ca>
To: freedreno@lists.freedesktop.org
Cc: Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
Jordan Crouse <jcrouse@codeaurora.org>,
Sharat Masetty <smasetty@codeaurora.org>,
Akhil P Oommen <akhilpo@codeaurora.org>,
Shawn Guo <shawn.guo@linaro.org>,
AngeloGioacchino Del Regno <kholk11@gmail.com>,
Wambui Karuga <wambui.karugax@gmail.com>,
Brian Masney <masneyb@onstation.org>,
linux-arm-msm@vger.kernel.org (open list:DRM DRIVER FOR MSM
ADRENO GPU),
dri-devel@lists.freedesktop.org (open list:DRM DRIVER FOR MSM
ADRENO GPU), linux-kernel@vger.kernel.org (open list)
Subject: [PATCH v2 1/2] drm/msm/a6xx: hwcg tables in gpulist
Date: Fri, 10 Jul 2020 19:04:09 -0400 [thread overview]
Message-ID: <20200710230413.2944-1-jonathan@marek.ca> (raw)
This will allow supporting different hwcg tables for a6xx.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
---
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 25 ++++++++++------------
drivers/gpu/drm/msm/adreno/adreno_device.c | 1 +
drivers/gpu/drm/msm/adreno/adreno_gpu.h | 8 +++++++
3 files changed, 20 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 3397e5e00d1c..ddcbc57ac25d 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -151,10 +151,7 @@ static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
a6xx_flush(gpu, ring);
}
-static const struct {
- u32 offset;
- u32 value;
-} a6xx_hwcg[] = {
+const struct adreno_reglist a630_hwcg[] = {
{REG_A6XX_RBBM_CLOCK_CNTL_SP0, 0x22222222},
{REG_A6XX_RBBM_CLOCK_CNTL_SP1, 0x22222222},
{REG_A6XX_RBBM_CLOCK_CNTL_SP2, 0x22222222},
@@ -259,7 +256,8 @@ static const struct {
{REG_A6XX_RBBM_CLOCK_MODE_HLSQ, 0x00002222},
{REG_A6XX_RBBM_CLOCK_CNTL_GMU_GX, 0x00000222},
{REG_A6XX_RBBM_CLOCK_DELAY_GMU_GX, 0x00000111},
- {REG_A6XX_RBBM_CLOCK_HYST_GMU_GX, 0x00000555}
+ {REG_A6XX_RBBM_CLOCK_HYST_GMU_GX, 0x00000555},
+ {},
};
static void a6xx_set_hwcg(struct msm_gpu *gpu, bool state)
@@ -267,9 +265,13 @@ static void a6xx_set_hwcg(struct msm_gpu *gpu, bool state)
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
struct a6xx_gmu *gmu = &a6xx_gpu->gmu;
+ const struct adreno_reglist *reg;
unsigned int i;
u32 val;
+ if (!adreno_gpu->info->hwcg)
+ return;
+
val = gpu_read(gpu, REG_A6XX_RBBM_CLOCK_CNTL);
/* Don't re-program the registers if they are already correct */
@@ -279,9 +281,8 @@ static void a6xx_set_hwcg(struct msm_gpu *gpu, bool state)
/* Disable SP clock before programming HWCG registers */
gmu_rmw(gmu, REG_A6XX_GPU_GMU_GX_SPTPRAC_CLOCK_CONTROL, 1, 0);
- for (i = 0; i < ARRAY_SIZE(a6xx_hwcg); i++)
- gpu_write(gpu, a6xx_hwcg[i].offset,
- state ? a6xx_hwcg[i].value : 0);
+ for (i = 0; (reg = &adreno_gpu->info->hwcg[i], reg->offset); i++)
+ gpu_write(gpu, reg->offset, state ? reg->value : 0);
/* Enable SP clock */
gmu_rmw(gmu, REG_A6XX_GPU_GMU_GX_SPTPRAC_CLOCK_CONTROL, 0, 1);
@@ -437,12 +438,8 @@ static int a6xx_hw_init(struct msm_gpu *gpu)
gpu_write(gpu, REG_A6XX_TPL1_ADDR_MODE_CNTL, 0x1);
gpu_write(gpu, REG_A6XX_RBBM_SECVID_TSB_ADDR_MODE_CNTL, 0x1);
- /*
- * enable hardware clockgating
- * For now enable clock gating only for a630
- */
- if (adreno_is_a630(adreno_gpu))
- a6xx_set_hwcg(gpu, true);
+ /* enable hardware clockgating */
+ a6xx_set_hwcg(gpu, true);
/* VBIF/GBIF start*/
if (adreno_is_a640(adreno_gpu) || adreno_is_a650(adreno_gpu)) {
diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
index 7732f03d9e3a..97996e7fc668 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_device.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
@@ -200,6 +200,7 @@ static const struct adreno_info gpulist[] = {
.inactive_period = DRM_MSM_INACTIVE_PERIOD,
.init = a6xx_gpu_init,
.zapfw = "a630_zap.mdt",
+ .hwcg = a630_hwcg,
}, {
.rev = ADRENO_REV(6, 4, 0, ANY_ID),
.revn = 640,
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
index 2f5d2c3acc3a..426cabd374bb 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -68,6 +68,13 @@ struct adreno_gpu_funcs {
int (*get_timestamp)(struct msm_gpu *gpu, uint64_t *value);
};
+struct adreno_reglist {
+ u32 offset;
+ u32 value;
+};
+
+extern const struct adreno_reglist a630_hwcg[];
+
struct adreno_info {
struct adreno_rev rev;
uint32_t revn;
@@ -78,6 +85,7 @@ struct adreno_info {
struct msm_gpu *(*init)(struct drm_device *dev);
const char *zapfw;
u32 inactive_period;
+ const struct adreno_reglist *hwcg;
};
const struct adreno_info *adreno_info(struct adreno_rev rev);
--
2.26.1
next reply other threads:[~2020-07-10 23:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-10 23:04 Jonathan Marek [this message]
2020-07-10 23:04 ` [PATCH v2 2/2] drm/msm/a6xx: add A640/A650 hwcg Jonathan Marek
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