Capture gmu log in coredump to enhance debugging.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 41 +
drivers/gpu/drm/msm/adreno/adreno_gpu.c | 2 +-
drivers/gpu/drm/msm/adreno/adreno_gpu.h | 2 ++
3 files changed, 44
/.mailmap
+++ b/.mailmap
@@ -10,10 +10,12 @@
# Please keep this list dictionary sorted.
#
Aaron Durbin
+Abhinav Kumar
Adam Oldham
Adam Radford
Adriana Reus
Adrian Bunk
+Akhil P Oommen
Alan Cox
Alan Cox
Aleksandar Markovic
@@ -162,6 +164,7 @@ Jeff Layton
Jens Axboe
On 11/23/2021 12:36 AM, Rob Clark wrote:
On Mon, Nov 22, 2021 at 10:26 AM Rob Clark wrote:
On Thu, Nov 18, 2021 at 2:21 AM Akhil P Oommen wrote:
Capture gmu log in coredump to enhance debugging.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 41
/0x1c0
26545.307445: Code: d503201f d503201f 52800028 4b0803e8 (b8680008)
26545.313703: ---[ end trace 5c93eb55e485b259 ]---
26545.318799: Kernel panic - not syncing: Oops: Fatal exception
Signed-off-by: Akhil P Oommen
---
(no changes since v1)
drivers/gpu/drm/msm/msm_gem_submit.c | 1 +
1
Fix the below smatch warning:
drivers/gpu/drm/msm/adreno/a6xx_gpu.c:1480 a6xx_llc_activate()
error: uninitialized symbol 'gpu_scid'.
Reported-by: Dan Carpenter
Signed-off-by: Akhil P Oommen
---
(no changes since v1)
drivers/gpu/drm/msm/adreno/a6xx_
Capture gmu log in coredump to enhance debugging.
Signed-off-by: Akhil P Oommen
---
Changes in v2:
- Fix kernel test robot's warning about size_t's format specifier
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 41 +
drivers/gpu/drm/msm/adreno/adreno_gpu.
interval) to fix this.
Signed-off-by: Akhil P Oommen
---
Changes in v2:
- Added patch (5) & (6) to this stack
drivers/gpu/drm/msm/msm_gpu_devfreq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/msm_gpu_devfreq.c
b/drivers/gpu/drm/msm/msm_gpu_devfr
Add a module param "force_gpu_coredump" to force coredump on relatively
harmless gpu hw errors.
Signed-off-by: Akhil P Oommen
---
(no changes since v1)
drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 33 ++
drivers/gpu/drm/msm/adreno/a6xx_gpu.c
Add a few more gmu buffers to coredump to help debug gmu
issues.
Signed-off-by: Akhil P Oommen
---
(no changes since v1)
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 157 +++-
1 file changed, 108 insertions(+), 49 deletions(-)
diff --git a/drivers/gpu/drm/msm/adreno
On 11/24/2021 2:47 AM, Akhil P Oommen wrote:
Add a few more gmu buffers to coredump to help debug gmu
issues.
Signed-off-by: Akhil P Oommen
---
(no changes since v1)
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 157 +++-
1 file changed, 108 insertions(+), 49
On 11/24/2021 4:33 AM, Bjorn Andersson wrote:
On Tue 23 Nov 13:17 PST 2021, Akhil P Oommen wrote:
Capture gmu log in coredump to enhance debugging.
Signed-off-by: Akhil P Oommen
---
Changes in v2:
- Fix kernel test robot's warning about size_t's format specifier
drivers/g
Avoid a possible uninitialized use of gpu_scid variable to fix the
below smatch warning:
drivers/gpu/drm/msm/adreno/a6xx_gpu.c:1480 a6xx_llc_activate()
error: uninitialized symbol 'gpu_scid'.
Reported-by: Dan Carpenter
Signed-off-by: Akhil P Oommen
---
Reposting this p
Capture gmu log in coredump to enhance debugging.
Signed-off-by: Akhil P Oommen
---
Changes in v3:
- Fix style and a minor suggestion from Bjorn
Changes in v2:
- Fix kernel test robot's warning about size_t's format specifier
drivers/gpu/drm/msm/adreno/a6xx_gpu_st
Add support for "Adreno 8c Gen 3" gpu along with the necessary speedbin
support.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 21 +
drivers/gpu/drm/msm/adreno/adreno_device.c | 29 ++---
drivers/gpu/drm/
Add the speedbin fuse and the required opps to support gpu sku.
Signed-off-by: Akhil P Oommen
---
arch/arm64/boot/dts/qcom/sc7280.dtsi | 46
1 file changed, 46 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi
b/arch/arm64/boot/dts/qcom
Update the name in the gpulist for 7c3 gpu as per the latest
recommendation.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/adreno_device.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c
b/drivers/gpu/drm/msm/adreno
Expose speedbin through MSM_PARAM_CHIP_ID parameter to help userspace
identify the sku.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/adreno_gpu.c | 9 +
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
b/drivers/gpu
Add support for "Adreno 8c Gen 3" gpu along with the necessary speedbin
support.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 21 +
drivers/gpu/drm/msm/adreno/adreno_device.c | 29 ++---
drivers/gpu/drm/
Add the speedbin fuse and the required opps to support gpu sku.
Signed-off-by: Akhil P Oommen
---
arch/arm64/boot/dts/qcom/sc7280.dtsi | 46
1 file changed, 46 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi
b/arch/arm64/boot/dts/qcom
Expose speedbin through MSM_PARAM_CHIP_ID parameter to help userspace
identify the sku.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/adreno_gpu.c | 9 +
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
b/drivers/gpu
Update the name in the gpulist for 7c3 gpu as per the latest
recommendation.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/adreno_device.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c
b/drivers/gpu/drm/msm/adreno
On 1/13/2022 12:43 PM, Dmitry Baryshkov wrote:
On Thu, 13 Jan 2022 at 00:19, Rob Clark wrote:
On Tue, Jan 11, 2022 at 1:31 PM Akhil P Oommen wrote:
Expose speedbin through MSM_PARAM_CHIP_ID parameter to help userspace
identify the sku.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm
Add support for "Adreno 8c Gen 3" gpu along with the necessary speedbin
support.
Signed-off-by: Akhil P Oommen
---
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_dev
Add the speedbin fuse and the required opps to support gpu sku.
Signed-off-by: Akhil P Oommen
---
(no changes since v1)
arch/arm64/boot/dts/qcom/sc7280.dtsi | 46
1 file changed, 46 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi
b/arch
Expose speedbin through MSM_PARAM_CHIP_ID parameter to help userspace
identify the sku.
Signed-off-by: Akhil P Oommen
---
Changes in v2:
- Use SKU in chipid PARAM only in new targets (Rob)
drivers/gpu/drm/msm/adreno/adreno_gpu.c | 10 ++
1 file changed, 6 insertions(+), 4 deletions
Update the name in the gpulist for 7c3 gpu as per the latest
recommendation.
Signed-off-by: Akhil P Oommen
---
(no changes since v1)
drivers/gpu/drm/msm/adreno/adreno_device.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c
b
://patchwork.freedesktop.org/series/99048/
Akhil P Oommen (5):
drm/msm: Use generic name for gpu resources
drm/msm/adreno: Generate name from chipid for 7c3
drm/msm/a6xx: Add support for 7c3 SKUs
drm/msm/adreno: Expose speedbin to userspace
arm64: dts: qcom: sc7280: Support gpu speedbin
arch
Use generic name for resources like irq and kthread instead of hardware
specific name to make it easier to grep.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/msm_gpu.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu
Use a gpu name which is sprintf'ed from the chipid for 7c3 gpu instead of
hardcoding one. This helps to avoid code churn in case of a gpu rename.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/adreno_device.c | 1 -
drivers/gpu/drm/msm/adreno/adreno_gpu.c
Add support for 7c3 SKU detection using speedbin fuse.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 17cfad64
Expose speedbin through MSM_PARAM_CHIP_ID parameter to help userspace
identify the sku.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 3 +--
drivers/gpu/drm/msm/adreno/adreno_gpu.c | 21 +
drivers/gpu/drm/msm/adreno/adreno_gpu.h | 3 +++
3
Add speedbin fuse and additional OPPs for gpu to support sc7280 SKUs.
Signed-off-by: Akhil P Oommen
---
arch/arm64/boot/dts/qcom/sc7280.dtsi | 46
1 file changed, 46 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi
b/arch/arm64/boot/dts
On 2/23/2022 6:28 AM, Rob Clark wrote:
On Mon, Feb 21, 2022 at 6:41 AM Akhil P Oommen wrote:
Use a gpu name which is sprintf'ed from the chipid for 7c3 gpu instead of
hardcoding one. This helps to avoid code churn in case of a gpu rename.
Signed-off-by: Akhil P Oommen
---
drivers/gp
://patchwork.freedesktop.org/series/99048/
Changes in v2:
- use devm_kasprintf() to generate gpu name (Rob)
Akhil P Oommen (5):
drm/msm: Use generic name for gpu resources
drm/msm/adreno: Generate name from chipid for 7c3
drm/msm/a6xx: Add support for 7c3 SKUs
drm/msm/adreno: Expose speedbin to
Use generic name for resources like irq and kthread instead of hardware
specific name to make it easier to grep.
Signed-off-by: Akhil P Oommen
---
(no changes since v1)
drivers/gpu/drm/msm/msm_gpu.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm
Use a gpu name which is sprintf'ed from the chipid for 7c3 gpu instead of
hardcoding one. This helps to avoid code churn in case of a gpu rename.
Signed-off-by: Akhil P Oommen
---
Changes in v2:
- use devm_kasprintf() to generate gpu name (Rob)
drivers/gpu/drm/msm/adreno/adreno_device.c
Add support for 7c3 SKU detection using speedbin fuse.
Signed-off-by: Akhil P Oommen
---
(no changes since v1)
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
b/drivers/gpu/drm/msm/adreno
Expose speedbin through MSM_PARAM_CHIP_ID parameter to help userspace
identify the sku.
Signed-off-by: Akhil P Oommen
---
(no changes since v1)
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 3 +--
drivers/gpu/drm/msm/adreno/adreno_gpu.c | 21 +
drivers/gpu/drm/msm/adreno
Add speedbin fuse and additional OPPs for gpu to support sc7280 SKUs.
Signed-off-by: Akhil P Oommen
---
(no changes since v1)
arch/arm64/boot/dts/qcom/sc7280.dtsi | 46
1 file changed, 46 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi
b
the related code.
Akhil P Oommen (10):
drm/msm/a6xx: Add helper to check smmu is stalled
drm/msm/a6xx: Send NMI to gmu when it is hung
drm/msm/a6xx: Avoid gmu lock in pm ops
drm/msm/a6xx: Enhance debugging of gmu faults
drm/msm: Do recovery on hw_init failure
drm/msm/a6xx: Propagate
Add a helper function to check for stalled smmu and also avoid reading
RBBM_STATUS3 register which is in GX domain before ensuring GX is
ON.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 8 +++-
drivers/gpu/drm/msm/adreno/a6xx_gpu.h | 1 +
drivers
While capturing gmu state, first send an NMI to gmu when it is hung.
This helps to move gmu to a safe state.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 37 +
drivers/gpu/drm/msm/adreno/a6xx_gmu.h | 1 +
drivers/gpu/drm/msm
We don't really need gmu lock in runtime pm ops because these operations
are serialized anyway and also with other paths where we take this lock.
This patch will help to simplify the locking order when we introduce
crashstate_lock in the upcoming patch.
Signed-off-by: Akhil P O
ed to capture the gmu states inline before it is
collapsed.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 18 +++--
drivers/gpu/drm/msm/adreno/a6xx_gpu.h | 1 +
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 60 +
drivers/gp
Retry infinitely on resume failure because there is nothing much we can
do if GPU is not ON. Also, this helps us to avoid checking for the
return value of pm_runtime_get() to see if GPU is ON.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/adreno_device.c | 10 +-
1 file
Schedule the recover worker when there is hw init failure in
msm_gpu_submit(). The recover worker will take care of capturing
coredump, gpu recovery and resubmission of pending IBs.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/msm_gpu.c | 5 -
1 file changed, 4 insertions(+), 1
We do pm_runtime_get() within msm_gpu_submit(). So remove the redundant
pm_runtime_get/put from msm_job_run().
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/msm_ringbuffer.c | 4
1 file changed, 4 deletions(-)
diff --git a/drivers/gpu/drm/msm/msm_ringbuffer.c
b/drivers/gpu/drm
Remove vote on clks on gpu resume failure.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
index 66ae509..e90359f 100644
--- a/drivers/gpu
Free gmu_debug bo while destroying the gpu crashstate.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
index 4d4588a
Propagate OOB set error to higher level so that a coredump is captured
followed by recovery sequence.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 33 -
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 19 ---
drivers/gpu/drm
On 3/3/2022 2:51 PM, AngeloGioacchino Del Regno wrote:
Il 02/03/22 18:27, Akhil P Oommen ha scritto:
Retry infinitely on resume failure because there is nothing much we can
do if GPU is not ON. Also, this helps us to avoid checking for the
return value of pm_runtime_get() to see if GPU is ON
)adreno_gpu->rev.core << 24);
if (!adreno_gpu->info->revn)
*value |= ((uint64_t) adreno_gpu->speedbin) << 32;
return 0;
Reviewed-by: Akhil P Oommen
-Akhil
RRAY_SIZE(a6xx_protect);
+ count_max = 32;
+ BUILD_BUG_ON(ARRAY_SIZE(a6xx_protect) > 32);
}
/*
Reviewed-by: Akhil P Oommen
-Akhil.
eue.c | 39 +
include/uapi/drm/msm_drm.h| 28 +-
35 files changed, 1058 insertions(+), 1130 deletions(-)
delete mode 100644 drivers/gpu/drm/msm/dsi/dsi_phy_5nm.xml.h
For the whole series except " drm/msm: Update generated headers",
Reviewed-by: Akhil P Oommen
-Akhil.
On 3/11/2022 5:16 AM, Rob Clark wrote:
From: Rob Clark
The mutex wasn't really protecting anything before. Before the previous
patch we could still be racing with the scheduler's kthread, as that is
not necessarily frozen yet. Now that we've parked the sched threads,
the only race is with job
Highest bank bit configuration is different for a618 gpu. Update
it with the correct configuration which is the reset value incidentally.
Signed-off-by: Akhil P Oommen
Signed-off-by: Sharat Masetty
---
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 10 ++
1 file changed, 6 insertions(+), 4
On 1/24/2020 11:56 PM, Jordan Crouse wrote:
On Fri, Jan 24, 2020 at 05:50:11PM +0530, Akhil P Oommen wrote:
Highest bank bit configuration is different for a618 gpu. Update
it with the correct configuration which is the reset value incidentally.
Signed-off-by: Akhil P Oommen
Signed-off-by
rat Masetty
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 73 ---
drivers/gpu/drm/msm/adreno/a6xx_gpu.h | 2 +-
drivers/gpu/drm/msm/msm_gpu.c | 3 +-
drivers/gpu/drm/msm/msm_gpu.h | 3 +-
4 files changed, 38 inserti
From: Sharat Masetty
Update documentation to list the gpu opp table bindings including the
newly added "opp-peak-kBps" needed for GPU-DDR bandwidth scaling.
Signed-off-by: Sharat Masetty
Acked-by: Rob Herring
Signed-off-by: Akhil P Oommen
---
.../devicetree/bindings/display/m
cke
Signed-off-by: Akhil P Oommen
---
arch/arm64/boot/dts/qcom/sc7180.dtsi | 7 +++
1 file changed, 7 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi
b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index a567297..8567e9e 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/b
Newer targets support changing gpu frequency through HFI. So
use that wherever supported instead of the legacy method.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 11 +++
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/msm
drm driver.
Signed-off-by: Sharat Masetty
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 25 +
1 file changed, 17 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
index b547
: Akhil P Oommen
---
arch/arm64/boot/dts/qcom/sdm845.dtsi | 9 +
1 file changed, 9 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi
b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 8eb5a31..5e9561a 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom
From: Sharat Masetty
This patch adds the interconnects property to the GPU node. This enables
the GPU->DDR path bandwidth voting.
Signed-off-by: Sharat Masetty
Signed-off-by: Akhil P Oommen
---
arch/arm64/boot/dts/qcom/sc7180.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/a
dwidth vote [2].
[1] https://patchwork.freedesktop.org/series/75291/
[2]
https://kernel.googlesource.com/pub/scm/linux/kernel/git/vireshk/pm/+log/opp/linux-next/
Akhil P Oommen (1):
drm: msm: a6xx: set gpu freq through hfi
Sharat Masetty (6):
dt-bindings: drm/msm/gpu: Document gpu opp ta
] kswapd+0x624/0x890
[10027.873097] kthread+0x11c/0x12c
[10027.876424] ret_from_fork+0x10/0x18
[10027.880102] Code: f9000bf3 910003fd aa0003f3 d503201f (f9400268)
[10027.886362] ---[ end trace df5849a1a3543251 ]---
[10027.891518] Kernel panic - not syncing: Fatal exception
Signed-off-by: Akhil P
On 7/11/2020 1:11 AM, Rob Clark wrote:
On Thu, Jul 9, 2020 at 1:01 PM Akhil P Oommen wrote:
From: Sharat Masetty
This patches replaces the previously used static DDR vote and uses
dev_pm_opp_set_bw() to scale GPU->DDR bandwidth along with scaling
GPU frequency. Also since the icc p
On 7/10/2020 1:34 AM, Jonathan Marek wrote:
On 7/9/20 4:00 PM, Akhil P Oommen wrote:
Newer targets support changing gpu frequency through HFI. So
use that wherever supported instead of the legacy method.
It was already using HFI on newer targets. Don't break it in one
commit then fix
On 7/11/2020 2:43 AM, Akhil P Oommen wrote:
On 7/10/2020 1:34 AM, Jonathan Marek wrote:
On 7/9/20 4:00 PM, Akhil P Oommen wrote:
Newer targets support changing gpu frequency through HFI. So
use that wherever supported instead of the legacy method.
It was already using HFI on newer targets
This series adds support for GPU DDR bandwidth scaling and is based on the
bindings from Georgi [1]. This is mostly a rebase of Sharat's patches [2] on the
tip of msm-next branch.
Changes from v4:
- Squashed a patch to another one to fix Jonathan's comment
- Add back the pm_runtime_get_if_in_use()
From: Sharat Masetty
Update documentation to list the gpu opp table bindings including the
newly added "opp-peak-kBps" needed for GPU-DDR bandwidth scaling.
Signed-off-by: Sharat Masetty
Acked-by: Rob Herring
Signed-off-by: Akhil P Oommen
---
.../devicetree/bindings/display/m
: Akhil P Oommen
---
arch/arm64/boot/dts/qcom/sdm845.dtsi | 9 +
1 file changed, 9 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi
b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 8eb5a31..5e9561a 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom
cke
Signed-off-by: Akhil P Oommen
---
arch/arm64/boot/dts/qcom/sc7180.dtsi | 7 +++
1 file changed, 7 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi
b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index a567297..8567e9e 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/b
rat Masetty
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 89 +++
drivers/gpu/drm/msm/adreno/a6xx_gpu.h | 2 +-
drivers/gpu/drm/msm/msm_gpu.c | 3 +-
drivers/gpu/drm/msm/msm_gpu.h | 3 +-
4 files changed, 52 inserti
From: Sharat Masetty
This patch adds the interconnects property to the GPU node. This enables
the GPU->DDR path bandwidth voting.
Signed-off-by: Sharat Masetty
Signed-off-by: Akhil P Oommen
---
arch/arm64/boot/dts/qcom/sc7180.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/a
drm driver.
Signed-off-by: Sharat Masetty
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 25 +
1 file changed, 17 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
index 856d
during GPU wake up during system resume.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 18 ++
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
index a6f43ff
This series add support for GPU DDR bandwidth scaling and is based on the
bindings from Georgi [1]. This is mostly a rebase of Sharat's patches [2] on the
tip of msm-next branch.
[1]
https://kernel.googlesource.com/pub/scm/linux/kernel/git/vireshk/pm/+log/opp/linux-next/
[2] https://patchwork.fre
From: Sharat Masetty
Update documentation to list the gpu opp table bindings including the
newly added "opp-peak-kBps" needed for GPU-DDR bandwidth scaling.
Signed-off-by: Sharat Masetty
Acked-by: Rob Herring
Signed-off-by: Akhil P Oommen
---
.../devicetree/bindings/display/m
: Akhil P Oommen
---
arch/arm64/boot/dts/qcom/sdm845.dtsi | 10 ++
1 file changed, 10 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi
b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 8eb5a31..1cd2dae 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom
drm driver.
Signed-off-by: Sharat Masetty
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 25 +
1 file changed, 17 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
index 856d
cke
Signed-off-by: Akhil P Oommen
---
arch/arm64/boot/dts/qcom/sc7180.dtsi | 7 +++
1 file changed, 7 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi
b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 80fe54b..ff4ddf1 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/b
From: Sharat Masetty
This patch adds the interconnects property to the GPU node. This enables
the GPU->DDR path bandwidth voting.
Signed-off-by: Sharat Masetty
Signed-off-by: Akhil P Oommen
---
arch/arm64/boot/dts/qcom/sc7180.dtsi | 3 +++
1 file changed, 3 insertions(+)
diff --git a/a
rat Masetty
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 89 +++
drivers/gpu/drm/msm/adreno/a6xx_gpu.h | 2 +-
drivers/gpu/drm/msm/msm_gpu.c | 3 +-
drivers/gpu/drm/msm/msm_gpu.h | 3 +-
4 files changed, 52 inserti
wake up during a system resume.
Signed-off-by: Akhil P Oommen
Reported-by: Matthias Kaehlcke
Tested-by: Matthias Kaehlcke
---
Changes from v1:
- Reworded the commit text
- Added Reported-by & Tested-by tags
drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 18 ++
1 file changed
On 7/15/2020 12:12 AM, Rob Clark wrote:
On Tue, Jul 14, 2020 at 10:10 AM Matthias Kaehlcke wrote:
On Tue, Jul 14, 2020 at 06:55:30PM +0530, Akhil P Oommen wrote:
On targets where GMU is available, GMU takes over the ownership of GX GDSC
during its initialization. So, take a refcount on the
Why don't we move the early return in a6xx_gmu_set_freq() to
msm_devfreq_target() instead?
-Akhil.
On 8/14/2020 12:24 AM, Jonathan Marek wrote:
The patch reorganizing the set_freq function made it so the gmu resume
doesn't always set the frequency, because a6xx_gmu_set_freq() exits early
when
On 8/14/2020 8:11 AM, Rob Clark wrote:
From: Jordan Crouse
Add support for using per-instance pagetables if all the dependencies are
available.
Signed-off-by: Jordan Crouse
Signed-off-by: Rob Clark
---
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 70 +++
drivers/gpu/drm
Reviewed-by: Akhil P Oommen
On 8/18/2020 3:31 AM, Rob Clark wrote:
From: Jordan Crouse
Add support for using per-instance pagetables if all the dependencies are
available.
Signed-off-by: Jordan Crouse
Signed-off-by: Rob Clark
---
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 63
point, it will result in premature purging of this BO.
To fix this, we can replace the active_list with reference counting and
move the BO to inactive list only when this count becomes zero.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/msm_drv.h | 5 ++---
drivers/gpu/drm/msm/msm_gem.c
Leave the inuse count intact on map failure to keep the accounting
accurate.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/msm_gem_vma.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/msm_gem_vma.c
b/drivers/gpu/drm/msm/msm_gem_vma.c
index
point, it will result in a premature purging of this BO.
To fix this, we need to refcount BO while doing submit and retire. Then,
it should be moved to inactive list when this refcount becomes 0.
Signed-off-by: Akhil P Oommen
---
Changes in v2:
1. Keep Active List around
2. Put
Leave the inuse count intact on map failure to keep the accounting
accurate.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/msm_gem_vma.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/msm_gem_vma.c
b/drivers/gpu/drm/msm/msm_gem_vma.c
index
On 9/23/2020 8:20 PM, Jordan Crouse wrote:
On Tue, Sep 22, 2020 at 08:25:26PM +0530, Akhil P Oommen wrote:
In the case where we have a back-to-back submission that shares the same
BO, this BO will be prematurely moved to inactive_list while retiring the
first submit. But it will be still part
Add cooling-cells property and the cooling maps for the gpu tzones
to support GPU cooling.
Signed-off-by: Akhil P Oommen
---
arch/arm64/boot/dts/qcom/sc7180.dtsi | 29 ++---
1 file changed, 22 insertions(+), 7 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/sc7180
Register GPU as a devfreq cooling device so that it can be passively
cooled by the thermal framework.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/msm_gpu.c | 13 -
drivers/gpu/drm/msm/msm_gpu.h | 2 ++
2 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/drivers
On 10/10/2020 12:06 AM, m...@chromium.org wrote:
Hi Akhil,
On Thu, Oct 08, 2020 at 10:39:07PM +0530, Akhil P Oommen wrote:
Register GPU as a devfreq cooling device so that it can be passively
cooled by the thermal framework.
Signed-off-by: Akhil P Oommen
---
drivers/gpu/drm/msm/msm_gpu.c
On 10/12/2020 11:10 PM, m...@chromium.org wrote:
On Mon, Oct 12, 2020 at 07:03:51PM +0530, Akhil P Oommen wrote:
On 10/10/2020 12:06 AM, m...@chromium.org wrote:
Hi Akhil,
On Thu, Oct 08, 2020 at 10:39:07PM +0530, Akhil P Oommen wrote:
Register GPU as a devfreq cooling device so that it can
On 10/13/2020 11:10 PM, m...@chromium.org wrote:
On Tue, Oct 13, 2020 at 07:23:34PM +0530, Akhil P Oommen wrote:
On 10/12/2020 11:10 PM, m...@chromium.org wrote:
On Mon, Oct 12, 2020 at 07:03:51PM +0530, Akhil P Oommen wrote:
On 10/10/2020 12:06 AM, m...@chromium.org wrote:
Hi Akhil,
On Thu
On 10/9/2020 10:27 PM, Matthias Kaehlcke wrote:
On Fri, Oct 09, 2020 at 08:05:10AM -0700, Doug Anderson wrote:
Hi,
On Thu, Oct 8, 2020 at 10:10 AM Akhil P Oommen wrote:
Add cooling-cells property and the cooling maps for the gpu tzones
to support GPU cooling.
Signed-off-by: Akhil P Oommen
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