From: Abhinav Kumar <abhinavk@codeaurora.org> To: dri-devel@lists.freedesktop.org Cc: Abhinav Kumar <abhinavk@codeaurora.org>, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, robdclark@gmail.com, seanpaul@chromium.org, swboyd@chromium.org, nganji@codeaurora.org, aravindh@codeaurora.org, khsieh@codeaurora.org, daniel@ffwll.ch, dmitry.baryshkov@linaro.org Subject: [PATCH v5 5/7] drm/msm/disp/dpu1: add API to take DPU register snapshot Date: Fri, 16 Apr 2021 13:57:23 -0700 [thread overview] Message-ID: <1618606645-19695-6-git-send-email-abhinavk@codeaurora.org> (raw) In-Reply-To: <1618606645-19695-1-git-send-email-abhinavk@codeaurora.org> Add an API to take a snapshot of DPU controller registers. This API will be used by the msm_disp_snapshot module to capture the DPU snapshot. Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org> --- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 50 +++++++++++++++++++++++++++++++++ drivers/gpu/drm/msm/msm_kms.h | 4 +++ 2 files changed, 54 insertions(+) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index 88e9cc3..ead2478 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -19,6 +19,7 @@ #include "msm_drv.h" #include "msm_mmu.h" #include "msm_gem.h" +#include "disp/msm_disp_snapshot.h" #include "dpu_kms.h" #include "dpu_core_irq.h" @@ -798,6 +799,54 @@ static void dpu_irq_uninstall(struct msm_kms *kms) dpu_core_irq_uninstall(dpu_kms); } +static void dpu_kms_mdp_snapshot(struct msm_kms *kms) +{ + int i; + struct dpu_kms *dpu_kms; + struct dpu_mdss_cfg *cat; + struct dpu_hw_mdp *top; + struct msm_disp_state *disp_state; + + disp_state = kms->disp_state; + + dpu_kms = to_dpu_kms(kms); + + cat = dpu_kms->catalog; + top = dpu_kms->hw_mdp; + + pm_runtime_get_sync(&dpu_kms->pdev->dev); + + /* dump CTL sub-blocks HW regs info */ + for (i = 0; i < cat->ctl_count; i++) + msm_disp_snapshot_add_block(disp_state, cat->ctl[i].len, + dpu_kms->mmio + cat->ctl[i].base, "ctl_%d", i); + + /* dump DSPP sub-blocks HW regs info */ + for (i = 0; i < cat->dspp_count; i++) + msm_disp_snapshot_add_block(disp_state, cat->dspp[i].len, + dpu_kms->mmio + cat->dspp[i].base, "dspp_%d", i); + + /* dump INTF sub-blocks HW regs info */ + for (i = 0; i < cat->intf_count; i++) + msm_disp_snapshot_add_block(disp_state, cat->intf[i].len, + dpu_kms->mmio + cat->intf[i].base, "intf_%d", i); + + /* dump PP sub-blocks HW regs info */ + for (i = 0; i < cat->pingpong_count; i++) + msm_disp_snapshot_add_block(disp_state, cat->pingpong[i].len, + dpu_kms->mmio + cat->pingpong[i].base, "pingpong_%d", i); + + /* dump SSPP sub-blocks HW regs info */ + for (i = 0; i < cat->sspp_count; i++) + msm_disp_snapshot_add_block(disp_state, cat->sspp[i].len, + dpu_kms->mmio + cat->sspp[i].base, "sspp_%d", i); + + msm_disp_snapshot_add_block(disp_state, top->hw.length, + dpu_kms->mmio + top->hw.blk_off, "top"); + + pm_runtime_put_sync(&dpu_kms->pdev->dev); +} + static const struct msm_kms_funcs kms_funcs = { .hw_init = dpu_kms_hw_init, .irq_preinstall = dpu_irq_preinstall, @@ -818,6 +867,7 @@ static const struct msm_kms_funcs kms_funcs = { .round_pixclk = dpu_kms_round_pixclk, .destroy = dpu_kms_destroy, .set_encoder_mode = _dpu_kms_set_encoder_mode, + .snapshot = dpu_kms_mdp_snapshot, #ifdef CONFIG_DEBUG_FS .debugfs_init = dpu_kms_debugfs_init, #endif diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h index d84bfda..b31fdad 100644 --- a/drivers/gpu/drm/msm/msm_kms.h +++ b/drivers/gpu/drm/msm/msm_kms.h @@ -122,6 +122,10 @@ struct msm_kms_funcs { bool cmd_mode); /* cleanup: */ void (*destroy)(struct msm_kms *kms); + + /* snapshot: */ + void (*snapshot)(struct msm_kms *kms); + #ifdef CONFIG_DEBUG_FS /* debugfs: */ int (*debugfs_init)(struct msm_kms *kms, struct drm_minor *minor); -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
WARNING: multiple messages have this Message-ID (diff)
From: Abhinav Kumar <abhinavk@codeaurora.org> To: dri-devel@lists.freedesktop.org Cc: linux-arm-msm@vger.kernel.org, Abhinav Kumar <abhinavk@codeaurora.org>, swboyd@chromium.org, khsieh@codeaurora.org, seanpaul@chromium.org, dmitry.baryshkov@linaro.org, aravindh@codeaurora.org, freedreno@lists.freedesktop.org Subject: [PATCH v5 5/7] drm/msm/disp/dpu1: add API to take DPU register snapshot Date: Fri, 16 Apr 2021 13:57:23 -0700 [thread overview] Message-ID: <1618606645-19695-6-git-send-email-abhinavk@codeaurora.org> (raw) In-Reply-To: <1618606645-19695-1-git-send-email-abhinavk@codeaurora.org> Add an API to take a snapshot of DPU controller registers. This API will be used by the msm_disp_snapshot module to capture the DPU snapshot. Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org> --- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 50 +++++++++++++++++++++++++++++++++ drivers/gpu/drm/msm/msm_kms.h | 4 +++ 2 files changed, 54 insertions(+) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index 88e9cc3..ead2478 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -19,6 +19,7 @@ #include "msm_drv.h" #include "msm_mmu.h" #include "msm_gem.h" +#include "disp/msm_disp_snapshot.h" #include "dpu_kms.h" #include "dpu_core_irq.h" @@ -798,6 +799,54 @@ static void dpu_irq_uninstall(struct msm_kms *kms) dpu_core_irq_uninstall(dpu_kms); } +static void dpu_kms_mdp_snapshot(struct msm_kms *kms) +{ + int i; + struct dpu_kms *dpu_kms; + struct dpu_mdss_cfg *cat; + struct dpu_hw_mdp *top; + struct msm_disp_state *disp_state; + + disp_state = kms->disp_state; + + dpu_kms = to_dpu_kms(kms); + + cat = dpu_kms->catalog; + top = dpu_kms->hw_mdp; + + pm_runtime_get_sync(&dpu_kms->pdev->dev); + + /* dump CTL sub-blocks HW regs info */ + for (i = 0; i < cat->ctl_count; i++) + msm_disp_snapshot_add_block(disp_state, cat->ctl[i].len, + dpu_kms->mmio + cat->ctl[i].base, "ctl_%d", i); + + /* dump DSPP sub-blocks HW regs info */ + for (i = 0; i < cat->dspp_count; i++) + msm_disp_snapshot_add_block(disp_state, cat->dspp[i].len, + dpu_kms->mmio + cat->dspp[i].base, "dspp_%d", i); + + /* dump INTF sub-blocks HW regs info */ + for (i = 0; i < cat->intf_count; i++) + msm_disp_snapshot_add_block(disp_state, cat->intf[i].len, + dpu_kms->mmio + cat->intf[i].base, "intf_%d", i); + + /* dump PP sub-blocks HW regs info */ + for (i = 0; i < cat->pingpong_count; i++) + msm_disp_snapshot_add_block(disp_state, cat->pingpong[i].len, + dpu_kms->mmio + cat->pingpong[i].base, "pingpong_%d", i); + + /* dump SSPP sub-blocks HW regs info */ + for (i = 0; i < cat->sspp_count; i++) + msm_disp_snapshot_add_block(disp_state, cat->sspp[i].len, + dpu_kms->mmio + cat->sspp[i].base, "sspp_%d", i); + + msm_disp_snapshot_add_block(disp_state, top->hw.length, + dpu_kms->mmio + top->hw.blk_off, "top"); + + pm_runtime_put_sync(&dpu_kms->pdev->dev); +} + static const struct msm_kms_funcs kms_funcs = { .hw_init = dpu_kms_hw_init, .irq_preinstall = dpu_irq_preinstall, @@ -818,6 +867,7 @@ static const struct msm_kms_funcs kms_funcs = { .round_pixclk = dpu_kms_round_pixclk, .destroy = dpu_kms_destroy, .set_encoder_mode = _dpu_kms_set_encoder_mode, + .snapshot = dpu_kms_mdp_snapshot, #ifdef CONFIG_DEBUG_FS .debugfs_init = dpu_kms_debugfs_init, #endif diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h index d84bfda..b31fdad 100644 --- a/drivers/gpu/drm/msm/msm_kms.h +++ b/drivers/gpu/drm/msm/msm_kms.h @@ -122,6 +122,10 @@ struct msm_kms_funcs { bool cmd_mode); /* cleanup: */ void (*destroy)(struct msm_kms *kms); + + /* snapshot: */ + void (*snapshot)(struct msm_kms *kms); + #ifdef CONFIG_DEBUG_FS /* debugfs: */ int (*debugfs_init)(struct msm_kms *kms, struct drm_minor *minor); -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2021-04-16 20:57 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-16 20:57 [PATCH v5 0/7] Add devcoredump support for DPU Abhinav Kumar 2021-04-16 20:57 ` Abhinav Kumar 2021-04-16 20:57 ` [PATCH v5 1/7] drm: allow drm_atomic_print_state() to accept any drm_printer Abhinav Kumar 2021-04-16 20:57 ` Abhinav Kumar 2021-04-16 20:57 ` [PATCH v5 2/7] drm/msm: add support to take dpu snapshot Abhinav Kumar 2021-04-16 20:57 ` Abhinav Kumar 2021-04-16 20:57 ` [PATCH v5 3/7] drm/msm/dsi: add API to take DSI register snapshot Abhinav Kumar 2021-04-16 20:57 ` Abhinav Kumar 2021-04-16 20:57 ` [PATCH v5 4/7] drm/msm/dp: add API to take DP " Abhinav Kumar 2021-04-16 20:57 ` Abhinav Kumar 2021-04-16 20:57 ` Abhinav Kumar [this message] 2021-04-16 20:57 ` [PATCH v5 5/7] drm/msm/disp/dpu1: add API to take DPU " Abhinav Kumar 2021-04-16 20:57 ` [PATCH v5 6/7] drm/msm: add support to take dsi, dp and dpu snapshot Abhinav Kumar 2021-04-16 20:57 ` Abhinav Kumar 2021-04-16 20:57 ` [PATCH v5 7/7] drm/msm: add disp snapshot points across dpu driver Abhinav Kumar 2021-04-16 20:57 ` Abhinav Kumar 2021-04-18 23:33 ` [PATCH v5 0/7] Add devcoredump support for DPU Dmitry Baryshkov 2021-04-18 23:33 ` Dmitry Baryshkov
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