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Message-Id: <20220119205012.v2.1.Ibac66e1e0e565313bc28f192e6c94cb508f205eb@changeid>
Date: Wed, 19 Jan 2022 20:51:18 +0530
From: Akhil P Oommen <quic_akhilpo@...cinc.com>
To: freedreno <freedreno@...ts.freedesktop.org>,
dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
Rob Clark <robdclark@...il.com>,
OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS
<devicetree@...r.kernel.org>,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: Abhinav Kumar <quic_abhinavk@...cinc.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Daniel Vetter <daniel@...ll.ch>,
David Airlie <airlied@...ux.ie>,
Douglas Anderson <dianders@...omium.org>,
Eric Anholt <eric@...olt.net>,
Jonathan Marek <jonathan@...ek.ca>,
Jordan Crouse <jordan@...micpenguin.net>,
Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>,
Sean Paul <sean@...rly.run>,
Vladimir Lypak <vladimir.lypak@...il.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/4] drm/msm/adreno: Add support for Adreno 8c Gen 3
Add support for "Adreno 8c Gen 3" gpu along with the necessary speedbin
support.
Signed-off-by: Akhil P Oommen <quic_akhilpo@...cinc.com>
---
Changes in v2:
- Fix a bug in adreno_cmp_rev()
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 21 ++++++++++++++----
drivers/gpu/drm/msm/adreno/adreno_device.c | 34 +++++++++++++++++++++++++++---
drivers/gpu/drm/msm/adreno/adreno_gpu.h | 10 +++++++--
3 files changed, 56 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 51b8377..9268ce3 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -10,7 +10,6 @@
#include <linux/bitfield.h>
#include <linux/devfreq.h>
-#include <linux/nvmem-consumer.h>
#include <linux/soc/qcom/llcc-qcom.h>
#define GPU_PAS_ID 13
@@ -1734,6 +1733,18 @@ static u32 a618_get_speed_bin(u32 fuse)
return UINT_MAX;
}
+static u32 adreno_7c3_get_speed_bin(u32 fuse)
+{
+ if (fuse == 0)
+ return 0;
+ else if (fuse == 117)
+ return 0;
+ else if (fuse == 190)
+ return 1;
+
+ return UINT_MAX;
+}
+
static u32 fuse_to_supp_hw(struct device *dev, struct adreno_rev rev, u32 fuse)
{
u32 val = UINT_MAX;
@@ -1741,6 +1752,9 @@ static u32 fuse_to_supp_hw(struct device *dev, struct adreno_rev rev, u32 fuse)
if (adreno_cmp_rev(ADRENO_REV(6, 1, 8, ANY_ID), rev))
val = a618_get_speed_bin(fuse);
+ if (adreno_cmp_rev(ADRENO_REV(6, 3, 5, ANY_ID), rev))
+ val = adreno_7c3_get_speed_bin(fuse);
+
if (val == UINT_MAX) {
DRM_DEV_ERROR(dev,
"missing support for speed-bin: %u. Some OPPs may not be supported by hardware",
@@ -1753,11 +1767,10 @@ static u32 fuse_to_supp_hw(struct device *dev, struct adreno_rev rev, u32 fuse)
static int a6xx_set_supported_hw(struct device *dev, struct adreno_rev rev)
{
- u32 supp_hw = UINT_MAX;
- u32 speedbin;
+ u32 speedbin, supp_hw = UINT_MAX;
int ret;
- ret = nvmem_cell_read_variable_le_u32(dev, "speed_bin", &speedbin);
+ ret = adreno_read_speedbin(dev, &speedbin);
/*
* -ENOENT means that the platform doesn't support speedbin which is
* fine
diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
index 9300583..946f505 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_device.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
@@ -6,6 +6,7 @@
* Copyright (c) 2014,2017 The Linux Foundation. All rights reserved.
*/
+#include <linux/nvmem-consumer.h>
#include "adreno_gpu.h"
bool hang_debug = false;
@@ -317,6 +318,17 @@ static const struct adreno_info gpulist[] = {
.zapfw = "a660_zap.mdt",
.hwcg = a660_hwcg,
}, {
+ .rev = ADRENO_REV_SKU(6, 3, 5, ANY_ID, 190),
+ .name = "Adreno 8c Gen 3",
+ .fw = {
+ [ADRENO_FW_SQE] = "a660_sqe.fw",
+ [ADRENO_FW_GMU] = "a660_gmu.bin",
+ },
+ .gmem = SZ_512K,
+ .inactive_period = DRM_MSM_INACTIVE_PERIOD,
+ .init = a6xx_gpu_init,
+ .hwcg = a660_hwcg,
+ }, {
.rev = ADRENO_REV(6, 3, 5, ANY_ID),
.name = "Adreno 7c Gen 3",
.fw = {
@@ -365,13 +377,19 @@ static inline bool _rev_match(uint8_t entry, uint8_t id)
return (entry == ANY_ID) || (entry == id);
}
+static inline bool _rev_match_sku(uint16_t entry, uint16_t id)
+{
+ return (entry == ANY_SKU) || (entry == id);
+}
+
bool adreno_cmp_rev(struct adreno_rev rev1, struct adreno_rev rev2)
{
return _rev_match(rev1.core, rev2.core) &&
_rev_match(rev1.major, rev2.major) &&
_rev_match(rev1.minor, rev2.minor) &&
- _rev_match(rev1.patchid, rev2.patchid);
+ _rev_match(rev1.patchid, rev2.patchid) &&
+ _rev_match_sku(rev1.sku, rev2.sku);
}
const struct adreno_info *adreno_info(struct adreno_rev rev)
@@ -445,12 +463,17 @@ struct msm_gpu *adreno_load_gpu(struct drm_device *dev)
return gpu;
}
+int adreno_read_speedbin(struct device *dev, u32 *speedbin)
+{
+ return nvmem_cell_read_variable_le_u32(dev, "speed_bin", speedbin);
+}
+
static int find_chipid(struct device *dev, struct adreno_rev *rev)
{
struct device_node *node = dev->of_node;
const char *compat;
int ret;
- u32 chipid;
+ u32 chipid, speedbin;
/* first search the compat strings for qcom,adreno-XYZ.W: */
ret = of_property_read_string_index(node, "compatible", 0, &compat);
@@ -466,7 +489,7 @@ static int find_chipid(struct device *dev, struct adreno_rev *rev)
rev->minor = r;
rev->patchid = patch;
- return 0;
+ goto done;
}
}
@@ -486,6 +509,11 @@ static int find_chipid(struct device *dev, struct adreno_rev *rev)
dev_warn(dev, "Use compatible qcom,adreno-%u%u%u.%u instead.\n",
rev->core, rev->major, rev->minor, rev->patchid);
+done:
+ if (adreno_read_speedbin(dev, &speedbin))
+ speedbin = ANY_SKU;
+
+ rev->sku = (uint16_t) (0xffff & speedbin);
return 0;
}
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
index cffabe7..52bd93a 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -40,12 +40,16 @@ struct adreno_rev {
uint8_t major;
uint8_t minor;
uint8_t patchid;
+ uint16_t sku;
};
-#define ANY_ID 0xff
+#define ANY_ID 0xff
+#define ANY_SKU 0xffff
#define ADRENO_REV(core, major, minor, patchid) \
- ((struct adreno_rev){ core, major, minor, patchid })
+ ((struct adreno_rev){ core, major, minor, patchid, ANY_SKU })
+#define ADRENO_REV_SKU(core, major, minor, patchid, sku) \
+ ((struct adreno_rev){ core, major, minor, patchid, sku })
struct adreno_gpu_funcs {
struct msm_gpu_funcs base;
@@ -324,6 +328,8 @@ adreno_iommu_create_address_space(struct msm_gpu *gpu,
void adreno_set_llc_attributes(struct iommu_domain *iommu);
+int adreno_read_speedbin(struct device *dev, u32 *speedbin);
+
/*
* For a5xx and a6xx targets load the zap shader that is used to pull the GPU
* out of secure mode
--
2.7.4
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