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drm/i915: add power well and cpu transcoder info to the error state

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We need to dump these registers if we want to properly interpret the
others.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni 2013-05-03 12:15:37 -03:00 committed by Daniel Vetter
parent b97186f0d9
commit ff57f1b095
1 changed files with 13 additions and 0 deletions
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13
drivers/gpu/drm/i915/intel_display.c
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@ -9756,6 +9756,9 @@ int intel_modeset_vga_set_state(struct drm_device *dev, bool state)
#include <linux/seq_file.h>
struct intel_display_error_state {
u32 power_well_driver;
struct intel_cursor_error_state {
u32 control;
u32 position;
@ -9764,6 +9767,7 @@ struct intel_display_error_state {
} cursor[I915_MAX_PIPES];
struct intel_pipe_error_state {
enum transcoder cpu_transcoder;
u32 conf;
u32 source;
@ -9798,8 +9802,12 @@ intel_display_capture_error_state(struct drm_device *dev)
if (error == NULL)
return NULL;
if (HAS_POWER_WELL(dev))
error->power_well_driver = I915_READ(HSW_PWR_WELL_DRIVER);
for_each_pipe(i) {
cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, i);
error->pipe[i].cpu_transcoder = cpu_transcoder;
if (INTEL_INFO(dev)->gen <= 6 || IS_VALLEYVIEW(dev)) {
error->cursor[i].control = I915_READ(CURCNTR(i));
@ -9845,8 +9853,13 @@ intel_display_print_error_state(struct seq_file *m,
int i;
seq_printf(m, "Num Pipes: %d\n", INTEL_INFO(dev)->num_pipes);
if (HAS_POWER_WELL(dev))
seq_printf(m, "PWR_WELL_CTL2: %08x\n",
error->power_well_driver);
for_each_pipe(i) {
seq_printf(m, "Pipe [%d]:\n", i);
seq_printf(m, " CPU transcoder: %c\n",
transcoder_name(error->pipe[i].cpu_transcoder));
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);