From: Alex Deucher <alexdeucher@gmail.com>
To: Giovanna Uchoa <giovannauchoa@usp.br>
Cc: alexander.deucher@amd.com, christian.koenig@amd.com,
airlied@gmail.com, simona@ffwll.ch,
amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH] drm/amd/amdgpu: consolidate SDMA trap IRQ handler
Date: Mon, 20 Apr 2026 14:18:58 -0400 [thread overview]
Message-ID: <CADnq5_P2+OqDtmhwOAuM9QsOFi8D45QA+=XOCqJ1vbMbjVQJCg@mail.gmail.com> (raw)
In-Reply-To: <20260420032858.10286-1-giovannauchoa@usp.br>
Applied. Thanks!
Alex
On Mon, Apr 20, 2026 at 9:09 AM Giovanna Uchoa <giovannauchoa@usp.br> wrote:
>
> Move the amdgpu_sdma_process_trap_irq handler from version-specific
> implementations (cik_sdma, sdma_v2_4, sdma_v3_0) to the common SDMA
> module (amdgpu_sdma). This eliminates code duplication and centralizes
> the trap interrupt handling logic, which is identical across all SDMA
> versions.
>
> Update the trap_irq_funcs in each version-specific module to reference
> the common handler implementation.
>
> Signed-off-by: Giovanna Uchoa <giovannauchoa@usp.br>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c | 41 ++++++++++++++++++++++
> drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h | 3 ++
> drivers/gpu/drm/amd/amdgpu/cik_sdma.c | 43 +-----------------------
> drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c | 42 +----------------------
> drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 42 +----------------------
> 5 files changed, 47 insertions(+), 124 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c
> index 321310ba2..4f15334ce 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c
> @@ -147,6 +147,47 @@ int amdgpu_sdma_process_ecc_irq(struct amdgpu_device *adev,
> return 0;
> }
>
> +int amdgpu_sdma_process_trap_irq(struct amdgpu_device *adev,
> + struct amdgpu_irq_src *source,
> + struct amdgpu_iv_entry *entry)
> +{
> + u8 instance_id, queue_id;
> +
> + instance_id = (entry->ring_id & 0x3) >> 0;
> + queue_id = (entry->ring_id & 0xc) >> 2;
> + DRM_DEBUG("IH: SDMA trap\n");
> + switch (instance_id) {
> + case 0:
> + switch (queue_id) {
> + case 0:
> + amdgpu_fence_process(&adev->sdma.instance[0].ring);
> + break;
> + case 1:
> + /* XXX compute */
> + break;
> + case 2:
> + /* XXX compute */
> + break;
> + }
> + break;
> + case 1:
> + switch (queue_id) {
> + case 0:
> + amdgpu_fence_process(&adev->sdma.instance[1].ring);
> + break;
> + case 1:
> + /* XXX compute */
> + break;
> + case 2:
> + /* XXX compute */
> + break;
> + }
> + break;
> + }
> +
> + return 0;
> +}
> +
> static int amdgpu_sdma_init_inst_ctx(struct amdgpu_sdma_instance *sdma_inst)
> {
> uint16_t version_major;
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
> index 2bf365609..ca4fd94ac 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
> @@ -203,6 +203,9 @@ int amdgpu_sdma_process_ras_data_cb(struct amdgpu_device *adev,
> int amdgpu_sdma_process_ecc_irq(struct amdgpu_device *adev,
> struct amdgpu_irq_src *source,
> struct amdgpu_iv_entry *entry);
> +int amdgpu_sdma_process_trap_irq(struct amdgpu_device *adev,
> + struct amdgpu_irq_src *source,
> + struct amdgpu_iv_entry *entry);
> int amdgpu_sdma_init_microcode(struct amdgpu_device *adev, u32 instance,
> bool duplicate);
> void amdgpu_sdma_destroy_inst_ctx(struct amdgpu_device *adev,
> diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
> index 120da838a..1bf1af633 100644
> --- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
> +++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
> @@ -1141,47 +1141,6 @@ static int cik_sdma_set_trap_irq_state(struct amdgpu_device *adev,
> return 0;
> }
>
> -static int cik_sdma_process_trap_irq(struct amdgpu_device *adev,
> - struct amdgpu_irq_src *source,
> - struct amdgpu_iv_entry *entry)
> -{
> - u8 instance_id, queue_id;
> -
> - instance_id = (entry->ring_id & 0x3) >> 0;
> - queue_id = (entry->ring_id & 0xc) >> 2;
> - DRM_DEBUG("IH: SDMA trap\n");
> - switch (instance_id) {
> - case 0:
> - switch (queue_id) {
> - case 0:
> - amdgpu_fence_process(&adev->sdma.instance[0].ring);
> - break;
> - case 1:
> - /* XXX compute */
> - break;
> - case 2:
> - /* XXX compute */
> - break;
> - }
> - break;
> - case 1:
> - switch (queue_id) {
> - case 0:
> - amdgpu_fence_process(&adev->sdma.instance[1].ring);
> - break;
> - case 1:
> - /* XXX compute */
> - break;
> - case 2:
> - /* XXX compute */
> - break;
> - }
> - break;
> - }
> -
> - return 0;
> -}
> -
> static int cik_sdma_process_illegal_inst_irq(struct amdgpu_device *adev,
> struct amdgpu_irq_src *source,
> struct amdgpu_iv_entry *entry)
> @@ -1270,7 +1229,7 @@ static void cik_sdma_set_ring_funcs(struct amdgpu_device *adev)
>
> static const struct amdgpu_irq_src_funcs cik_sdma_trap_irq_funcs = {
> .set = cik_sdma_set_trap_irq_state,
> - .process = cik_sdma_process_trap_irq,
> + .process = amdgpu_sdma_process_trap_irq,
> };
>
> static const struct amdgpu_irq_src_funcs cik_sdma_illegal_inst_irq_funcs = {
> diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
> index 93ec52c1f..545077897 100644
> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
> @@ -1035,46 +1035,6 @@ static int sdma_v2_4_set_trap_irq_state(struct amdgpu_device *adev,
> return 0;
> }
>
> -static int sdma_v2_4_process_trap_irq(struct amdgpu_device *adev,
> - struct amdgpu_irq_src *source,
> - struct amdgpu_iv_entry *entry)
> -{
> - u8 instance_id, queue_id;
> -
> - instance_id = (entry->ring_id & 0x3) >> 0;
> - queue_id = (entry->ring_id & 0xc) >> 2;
> - DRM_DEBUG("IH: SDMA trap\n");
> - switch (instance_id) {
> - case 0:
> - switch (queue_id) {
> - case 0:
> - amdgpu_fence_process(&adev->sdma.instance[0].ring);
> - break;
> - case 1:
> - /* XXX compute */
> - break;
> - case 2:
> - /* XXX compute */
> - break;
> - }
> - break;
> - case 1:
> - switch (queue_id) {
> - case 0:
> - amdgpu_fence_process(&adev->sdma.instance[1].ring);
> - break;
> - case 1:
> - /* XXX compute */
> - break;
> - case 2:
> - /* XXX compute */
> - break;
> - }
> - break;
> - }
> - return 0;
> -}
> -
> static int sdma_v2_4_process_illegal_inst_irq(struct amdgpu_device *adev,
> struct amdgpu_irq_src *source,
> struct amdgpu_iv_entry *entry)
> @@ -1159,7 +1119,7 @@ static void sdma_v2_4_set_ring_funcs(struct amdgpu_device *adev)
>
> static const struct amdgpu_irq_src_funcs sdma_v2_4_trap_irq_funcs = {
> .set = sdma_v2_4_set_trap_irq_state,
> - .process = sdma_v2_4_process_trap_irq,
> + .process = amdgpu_sdma_process_trap_irq,
> };
>
> static const struct amdgpu_irq_src_funcs sdma_v2_4_illegal_inst_irq_funcs = {
> diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
> index 3fde9be74..b3eab4e11 100644
> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
> @@ -1373,46 +1373,6 @@ static int sdma_v3_0_set_trap_irq_state(struct amdgpu_device *adev,
> return 0;
> }
>
> -static int sdma_v3_0_process_trap_irq(struct amdgpu_device *adev,
> - struct amdgpu_irq_src *source,
> - struct amdgpu_iv_entry *entry)
> -{
> - u8 instance_id, queue_id;
> -
> - instance_id = (entry->ring_id & 0x3) >> 0;
> - queue_id = (entry->ring_id & 0xc) >> 2;
> - DRM_DEBUG("IH: SDMA trap\n");
> - switch (instance_id) {
> - case 0:
> - switch (queue_id) {
> - case 0:
> - amdgpu_fence_process(&adev->sdma.instance[0].ring);
> - break;
> - case 1:
> - /* XXX compute */
> - break;
> - case 2:
> - /* XXX compute */
> - break;
> - }
> - break;
> - case 1:
> - switch (queue_id) {
> - case 0:
> - amdgpu_fence_process(&adev->sdma.instance[1].ring);
> - break;
> - case 1:
> - /* XXX compute */
> - break;
> - case 2:
> - /* XXX compute */
> - break;
> - }
> - break;
> - }
> - return 0;
> -}
> -
> static int sdma_v3_0_process_illegal_inst_irq(struct amdgpu_device *adev,
> struct amdgpu_irq_src *source,
> struct amdgpu_iv_entry *entry)
> @@ -1601,7 +1561,7 @@ static void sdma_v3_0_set_ring_funcs(struct amdgpu_device *adev)
>
> static const struct amdgpu_irq_src_funcs sdma_v3_0_trap_irq_funcs = {
> .set = sdma_v3_0_set_trap_irq_state,
> - .process = sdma_v3_0_process_trap_irq,
> + .process = amdgpu_sdma_process_trap_irq,
> };
>
> static const struct amdgpu_irq_src_funcs sdma_v3_0_illegal_inst_irq_funcs = {
> --
> 2.53.0
>
next prev parent reply other threads:[~2026-04-20 18:19 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-20 3:28 [PATCH] drm/amd/amdgpu: consolidate SDMA trap IRQ handler Giovanna Uchoa
2026-04-20 18:18 ` Alex Deucher [this message]
2026-04-20 18:23 ` Christian König
2026-04-20 18:25 ` Alex Deucher
2026-04-20 18:31 ` Christian König
2026-04-20 18:35 ` Alex Deucher
2026-04-22 23:40 ` Claude review: " Claude Code Review Bot
2026-04-22 23:40 ` Claude Code Review Bot
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