From ff57f1b095e7c3ad0720193cd341d8ac1c781156 Mon Sep 17 00:00:00 2001 From: Paulo Zanoni Date: Fri, 3 May 2013 12:15:37 -0300 Subject: [PATCH] drm/i915: add power well and cpu transcoder info to the error state We need to dump these registers if we want to properly interpret the others. Signed-off-by: Paulo Zanoni Reviewed-by: Damien Lespiau Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_display.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index c46f40d88d8e..260545cc5049 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -9756,6 +9756,9 @@ int intel_modeset_vga_set_state(struct drm_device *dev, bool state) #include 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); -- 2.34.1