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-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c3
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h8
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c1
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h6
-rw-r--r--drivers/gpu/drm/i915/intel_display.c110
5 files changed, 127 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 24a88ac63212..421b8414b577 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -729,6 +729,9 @@ static int i915_error_state(struct seq_file *m, void *unused)
if (error->overlay)
intel_overlay_print_error_state(m, error->overlay);
+ if (error->display)
+ intel_display_print_error_state(m, dev, error->display);
+
out:
spin_unlock_irqrestore(&dev_priv->error_lock, flags);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 826c7237409b..4c20ad92c0f3 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -140,6 +140,8 @@ struct sdvo_device_mapping {
u8 ddc_pin;
};
+struct intel_display_error_state;
+
struct drm_i915_error_state {
u32 eir;
u32 pgtbl_er;
@@ -187,6 +189,7 @@ struct drm_i915_error_state {
} *active_bo, *pinned_bo;
u32 active_bo_count, pinned_bo_count;
struct intel_overlay_error_state *overlay;
+ struct intel_display_error_state *display;
};
struct drm_i915_display_funcs {
@@ -1223,6 +1226,11 @@ extern int intel_trans_dp_port_sel (struct drm_crtc *crtc);
#ifdef CONFIG_DEBUG_FS
extern struct intel_overlay_error_state *intel_overlay_capture_error_state(struct drm_device *dev);
extern void intel_overlay_print_error_state(struct seq_file *m, struct intel_overlay_error_state *error);
+
+extern struct intel_display_error_state *intel_display_capture_error_state(struct drm_device *dev);
+extern void intel_display_print_error_state(struct seq_file *m,
+ struct drm_device *dev,
+ struct intel_display_error_state *error);
#endif
/**
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index bbcd5da89ba5..0b6052abedd1 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -766,6 +766,7 @@ static void i915_capture_error_state(struct drm_device *dev)
do_gettimeofday(&error->time);
error->overlay = intel_overlay_capture_error_state(dev);
+ error->display = intel_display_capture_error_state(dev);
spin_lock_irqsave(&dev_priv->error_lock, flags);
if (dev_priv->first_error == NULL) {
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 886c0e072490..ec2a8b07ba5b 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1193,7 +1193,6 @@
#define VTOTAL(pipe) _PIPE(pipe, VTOTAL_A, VTOTAL_B)
#define VBLANK(pipe) _PIPE(pipe, VBLANK_A, VBLANK_B)
#define VSYNC(pipe) _PIPE(pipe, VSYNC_A, VSYNC_B)
-#define PIPESRC(pipe) _PIPE(pipe, PIPEASRC, PIPEBSRC)
#define BCLRPAT(pipe) _PIPE(pipe, BCLRPAT_A, BCLRPAT_B)
/* VGA port control */
@@ -2207,6 +2206,7 @@
#define PIPE_6BPC (2 << 5)
#define PIPE_12BPC (3 << 5)
+#define PIPESRC(pipe) _PIPE(pipe, PIPEASRC, PIPEBSRC)
#define PIPECONF(pipe) _PIPE(pipe, PIPEACONF, PIPEBCONF)
#define PIPEDSL(pipe) _PIPE(pipe, PIPEADSL, PIPEBDSL)
@@ -2376,6 +2376,10 @@
#define CURBBASE 0x700c4
#define CURBPOS 0x700c8
+#define CURCNTR(pipe) _PIPE(pipe, CURACNTR, CURBCNTR)
+#define CURBASE(pipe) _PIPE(pipe, CURABASE, CURBBASE)
+#define CURPOS(pipe) _PIPE(pipe, CURAPOS, CURBPOS)
+
/* Display A control */
#define DSPACNTR 0x70180
#define DISPLAY_PLANE_ENABLE (1<<31)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3fa5aaa941d2..d4bc443f43fc 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -6269,3 +6269,113 @@ int intel_modeset_vga_set_state(struct drm_device *dev, bool state)
pci_write_config_word(dev_priv->bridge_dev, INTEL_GMCH_CTRL, gmch_ctrl);
return 0;
}
+
+#ifdef CONFIG_DEBUG_FS
+#include <linux/seq_file.h>
+
+struct intel_display_error_state {
+ struct intel_cursor_error_state {
+ u32 control;
+ u32 position;
+ u32 base;
+ u32 size;
+ } cursor[2];
+
+ struct intel_pipe_error_state {
+ u32 conf;
+ u32 source;
+
+ u32 htotal;
+ u32 hblank;
+ u32 hsync;
+ u32 vtotal;
+ u32 vblank;
+ u32 vsync;
+ } pipe[2];
+
+ struct intel_plane_error_state {
+ u32 control;
+ u32 stride;
+ u32 size;
+ u32 pos;
+ u32 addr;
+ u32 surface;
+ u32 tile_offset;
+ } plane[2];
+};
+
+struct intel_display_error_state *
+intel_display_capture_error_state(struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_display_error_state *error;
+ int i;
+
+ error = kmalloc(sizeof(*error), GFP_ATOMIC);
+ if (error == NULL)
+ return NULL;
+
+ for (i = 0; i < 2; i++) {
+ error->cursor[i].control = I915_READ(CURCNTR(i));
+ error->cursor[i].position = I915_READ(CURPOS(i));
+ error->cursor[i].base = I915_READ(CURBASE(i));
+
+ error->plane[i].control = I915_READ(DSPCNTR(i));
+ error->plane[i].stride = I915_READ(DSPSTRIDE(i));
+ error->plane[i].size = I915_READ(DSPSIZE(i));
+ error->plane[i].pos= I915_READ(DSPPOS(i));
+ error->plane[i].addr = I915_READ(DSPADDR(i));
+ if (INTEL_INFO(dev)->gen >= 4) {
+ error->plane[i].surface = I915_READ(DSPSURF(i));
+ error->plane[i].tile_offset = I915_READ(DSPTILEOFF(i));
+ }
+
+ error->pipe[i].conf = I915_READ(PIPECONF(i));
+ error->pipe[i].source = I915_READ(PIPESRC(i));
+ error->pipe[i].htotal = I915_READ(HTOTAL(i));
+ error->pipe[i].hblank = I915_READ(HBLANK(i));
+ error->pipe[i].hsync = I915_READ(HSYNC(i));
+ error->pipe[i].vtotal = I915_READ(VTOTAL(i));
+ error->pipe[i].vblank = I915_READ(VBLANK(i));
+ error->pipe[i].vsync = I915_READ(VSYNC(i));
+ }
+
+ return error;
+}
+
+void
+intel_display_print_error_state(struct seq_file *m,
+ struct drm_device *dev,
+ struct intel_display_error_state *error)
+{
+ int i;
+
+ for (i = 0; i < 2; i++) {
+ seq_printf(m, "Pipe [%d]:\n", i);
+ seq_printf(m, " CONF: %08x\n", error->pipe[i].conf);
+ seq_printf(m, " SRC: %08x\n", error->pipe[i].source);
+ seq_printf(m, " HTOTAL: %08x\n", error->pipe[i].htotal);
+ seq_printf(m, " HBLANK: %08x\n", error->pipe[i].hblank);
+ seq_printf(m, " HSYNC: %08x\n", error->pipe[i].hsync);
+ seq_printf(m, " VTOTAL: %08x\n", error->pipe[i].vtotal);
+ seq_printf(m, " VBLANK: %08x\n", error->pipe[i].vblank);
+ seq_printf(m, " VSYNC: %08x\n", error->pipe[i].vsync);
+
+ seq_printf(m, "Plane [%d]:\n", i);
+ seq_printf(m, " CNTR: %08x\n", error->plane[i].control);
+ seq_printf(m, " STRIDE: %08x\n", error->plane[i].stride);
+ seq_printf(m, " SIZE: %08x\n", error->plane[i].size);
+ seq_printf(m, " POS: %08x\n", error->plane[i].pos);
+ seq_printf(m, " ADDR: %08x\n", error->plane[i].addr);
+ if (INTEL_INFO(dev)->gen >= 4) {
+ seq_printf(m, " SURF: %08x\n", error->plane[i].surface);
+ seq_printf(m, " TILEOFF: %08x\n", error->plane[i].tile_offset);
+ }
+
+ seq_printf(m, "Cursor [%d]:\n", i);
+ seq_printf(m, " CNTR: %08x\n", error->cursor[i].control);
+ seq_printf(m, " POS: %08x\n", error->cursor[i].position);
+ seq_printf(m, " BASE: %08x\n", error->cursor[i].base);
+ }
+}
+#endif
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-02 19:21:01 +0300