[v3,2/4] drm/i915/display: add intel_display_snapshot abstraction

Message ID	ba6a36759600c2d35405c41a0fc9d69f676df77d.1726151571.git.jani.nikula@intel.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <intel-gfx-bounces@lists.freedesktop.org> From: Jani Nikula <jani.nikula@intel.com> To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: jani.nikula@intel.com, rodrigo.vivi@intel.com Subject: [PATCH v3 2/4] drm/i915/display: add intel_display_snapshot abstraction Date: Thu, 12 Sep 2024 17:34:12 +0300 Message-Id: <ba6a36759600c2d35405c41a0fc9d69f676df77d.1726151571.git.jani.nikula@intel.com> In-Reply-To: <cover.1726151571.git.jani.nikula@intel.com> References: <cover.1726151571.git.jani.nikula@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: list Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
Series	drm/i915/display: add snapshot capture/print infra \| expand [v3,0/4] drm/i915/display: add snapshot capture/print infra [v3,1/4] drm/i915: dump display parameters captured in error state, not current [v3,2/4] drm/i915/display: add intel_display_snapshot abstraction [v3,3/4] drm/i915/display: move device info and params handling to snapshot [v3,4/4] drm/i915/display: move dmc snapshotting to new display snapshot

diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index c63fa2133ccb..9fcd9e09bc0b 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -242,6 +242,7 @@ i915-y += \ display/intel_display_power_well.o \ display/intel_display_reset.o \ display/intel_display_rps.o \ + display/intel_display_snapshot.o \ display/intel_display_wa.o \ display/intel_dmc.o \ display/intel_dmc_wl.o \ diff --git a/drivers/gpu/drm/i915/display/intel_display_snapshot.c b/drivers/gpu/drm/i915/display/intel_display_snapshot.c new file mode 100644 index 000000000000..78b019dcd41d --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_display_snapshot.c @@ -0,0 +1,42 @@ +// SPDX-License-Identifier: MIT +/* Copyright © 2024 Intel Corporation */ + +#include <linux/slab.h> + +#include "intel_display_snapshot.h" +#include "intel_overlay.h" + +struct intel_display_snapshot { + struct intel_overlay_snapshot *overlay; +}; + +struct intel_display_snapshot *intel_display_snapshot_capture(struct intel_display *display) +{ + struct intel_display_snapshot *snapshot; + + snapshot = kzalloc(sizeof(*snapshot), GFP_ATOMIC); + if (!snapshot) + return NULL; + + snapshot->overlay = intel_overlay_snapshot_capture(display); + + return snapshot; +} + +void intel_display_snapshot_print(const struct intel_display_snapshot *snapshot, + struct drm_printer *p) +{ + if (!snapshot) + return; + + intel_overlay_snapshot_print(snapshot->overlay, p); +} + +void intel_display_snapshot_free(struct intel_display_snapshot *snapshot) +{ + if (!snapshot) + return; + + kfree(snapshot->overlay); + kfree(snapshot); +} diff --git a/drivers/gpu/drm/i915/display/intel_display_snapshot.h b/drivers/gpu/drm/i915/display/intel_display_snapshot.h new file mode 100644 index 000000000000..7ed27cdea644 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_display_snapshot.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: MIT */ +/* Copyright © 2024 Intel Corporation */ + +#ifndef __INTEL_DISPLAY_SNAPSHOT_H__ +#define __INTEL_DISPLAY_SNAPSHOT_H__ + +struct drm_printer; +struct intel_display; +struct intel_display_snapshot; + +struct intel_display_snapshot *intel_display_snapshot_capture(struct intel_display *display); +void intel_display_snapshot_print(const struct intel_display_snapshot *snapshot, + struct drm_printer *p); +void intel_display_snapshot_free(struct intel_display_snapshot *snapshot); + +#endif /* __INTEL_DISPLAY_SNAPSHOT_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_overlay.c b/drivers/gpu/drm/i915/display/intel_overlay.c index 06b1122ec13e..b89541458765 100644 --- a/drivers/gpu/drm/i915/display/intel_overlay.c +++ b/drivers/gpu/drm/i915/display/intel_overlay.c @@ -1457,18 +1457,19 @@ void intel_overlay_cleanup(struct drm_i915_private *dev_priv) #if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) -struct intel_overlay_error_state { +struct intel_overlay_snapshot { struct overlay_registers regs; unsigned long base; u32 dovsta; u32 isr; }; -struct intel_overlay_error_state * -intel_overlay_capture_error_state(struct drm_i915_private *dev_priv) +struct intel_overlay_snapshot * +intel_overlay_snapshot_capture(struct intel_display *display) { + struct drm_i915_private *dev_priv = to_i915(display->drm); struct intel_overlay *overlay = dev_priv->display.overlay; - struct intel_overlay_error_state *error; + struct intel_overlay_snapshot *error; if (!overlay || !overlay->active) return NULL; @@ -1487,9 +1488,12 @@ intel_overlay_capture_error_state(struct drm_i915_private *dev_priv) } void -intel_overlay_print_error_state(struct drm_printer *p, - struct intel_overlay_error_state *error) +intel_overlay_snapshot_print(const struct intel_overlay_snapshot *error, + struct drm_printer *p) { + if (!error) + return; + drm_printf(p, "Overlay, status: 0x%08x, interrupt: 0x%08x\n", error->dovsta, error->isr); drm_printf(p, " Register file at 0x%08lx:\n", error->base); diff --git a/drivers/gpu/drm/i915/display/intel_overlay.h b/drivers/gpu/drm/i915/display/intel_overlay.h index f28a09c062d0..eafac24d1de8 100644 --- a/drivers/gpu/drm/i915/display/intel_overlay.h +++ b/drivers/gpu/drm/i915/display/intel_overlay.h @@ -6,12 +6,15 @@ #ifndef __INTEL_OVERLAY_H__ #define __INTEL_OVERLAY_H__ +#include <linux/types.h> + struct drm_device; struct drm_file; struct drm_i915_private; struct drm_printer; +struct intel_display; struct intel_overlay; -struct intel_overlay_error_state; +struct intel_overlay_snapshot; #ifdef I915 void intel_overlay_setup(struct drm_i915_private *dev_priv); @@ -22,10 +25,6 @@ int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data, int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); void intel_overlay_reset(struct drm_i915_private *dev_priv); -struct intel_overlay_error_state * -intel_overlay_capture_error_state(struct drm_i915_private *dev_priv); -void intel_overlay_print_error_state(struct drm_printer *p, - struct intel_overlay_error_state *error); #else static inline void intel_overlay_setup(struct drm_i915_private *dev_priv) { @@ -50,13 +49,21 @@ static inline int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data, static inline void intel_overlay_reset(struct drm_i915_private *dev_priv) { } -static inline struct intel_overlay_error_state * -intel_overlay_capture_error_state(struct drm_i915_private *dev_priv) +#endif + +#if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) && defined(I915) +struct intel_overlay_snapshot * +intel_overlay_snapshot_capture(struct intel_display *display); +void intel_overlay_snapshot_print(const struct intel_overlay_snapshot *error, + struct drm_printer *p); +#else +static inline struct intel_overlay_snapshot * +intel_overlay_snapshot_capture(struct intel_display *display) { return NULL; } -static inline void intel_overlay_print_error_state(struct drm_printer *p, - struct intel_overlay_error_state *error) +static inline void intel_overlay_snapshot_print(const struct intel_overlay_snapshot *error, + struct drm_printer *p) { } #endif diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index 4baee1aa74dc..c4402d7cc1cd 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -40,8 +40,8 @@ #include <drm/drm_cache.h> #include <drm/drm_print.h> +#include "display/intel_display_snapshot.h" #include "display/intel_dmc.h" -#include "display/intel_overlay.h" #include "gem/i915_gem_context.h" #include "gem/i915_gem_lmem.h" @@ -905,11 +905,10 @@ static void __err_print_to_sgl(struct drm_i915_error_state_buf *m, err_print_gt_info(m, error->gt); } - if (error->overlay) - intel_overlay_print_error_state(&p, error->overlay); - err_print_capabilities(m, error); err_print_params(m, &error->params); + + intel_display_snapshot_print(error->display_snapshot, &p); } static int err_print_to_sgl(struct i915_gpu_coredump *error) @@ -1077,7 +1076,7 @@ void __i915_gpu_coredump_free(struct kref *error_ref) cleanup_gt(gt); } - kfree(error->overlay); + intel_display_snapshot_free(error->display_snapshot); cleanup_params(error); @@ -2097,6 +2096,7 @@ static struct i915_gpu_coredump * __i915_gpu_coredump(struct intel_gt *gt, intel_engine_mask_t engine_mask, u32 dump_flags) { struct drm_i915_private *i915 = gt->i915; + struct intel_display *display = &i915->display; struct i915_gpu_coredump *error; /* Check if GPU capture has been disabled */ @@ -2138,7 +2138,7 @@ __i915_gpu_coredump(struct intel_gt *gt, intel_engine_mask_t engine_mask, u32 du error->simulated |= error->gt->simulated; } - error->overlay = intel_overlay_capture_error_state(i915); + error->display_snapshot = intel_display_snapshot_capture(display); return error; } diff --git a/drivers/gpu/drm/i915/i915_gpu_error.h b/drivers/gpu/drm/i915/i915_gpu_error.h index 7c255bb1c319..1a11942d7800 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.h +++ b/drivers/gpu/drm/i915/i915_gpu_error.h @@ -31,7 +31,7 @@ struct drm_i915_private; struct i915_vma_compress; struct intel_engine_capture_vma; -struct intel_overlay_error_state; +struct intel_display_snapshot; struct i915_vma_coredump { struct i915_vma_coredump *next; @@ -218,9 +218,9 @@ struct i915_gpu_coredump { struct i915_params params; struct intel_display_params display_params; - struct intel_overlay_error_state *overlay; - struct scatterlist *sgl, *fit; + + struct intel_display_snapshot *display_snapshot; }; struct i915_gpu_error {

[v3,2/4] drm/i915/display: add intel_display_snapshot abstraction

Commit Message

Patch