On 2019-11-29 at 20:54:33 +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Let's make the display info more useful by dumping both
> the uapi and hw states for each crtc/plane.
Looks good to me.
Reviewed-by: Ramalingam C <ramalingam.c@xxxxxxxxx>
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_debugfs.c | 116 +++++++++++++++++-----------
> 1 file changed, 73 insertions(+), 43 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 4dffbff1b8bd..414da0a542d6 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -2556,45 +2556,68 @@ static void plane_rotation(char *buf, size_t bufsize, unsigned int rotation)
> rotation);
> }
>
> +static void intel_plane_uapi_info(struct seq_file *m, struct intel_plane *plane)
> +{
> + const struct intel_plane_state *plane_state =
> + to_intel_plane_state(plane->base.state);
> + const struct drm_framebuffer *fb = plane_state->uapi.fb;
> + struct drm_format_name_buf format_name;
> + struct drm_rect src, dst;
> + char rot_str[48];
> +
> + src = drm_plane_state_src(&plane_state->uapi);
> + dst = drm_plane_state_dest(&plane_state->uapi);
> +
> + if (fb)
> + drm_get_format_name(fb->format->format, &format_name);
> +
> + plane_rotation(rot_str, sizeof(rot_str),
> + plane_state->uapi.rotation);
> +
> + seq_printf(m, "\t\tuapi: fb=%d,%s,%dx%d, src=" DRM_RECT_FP_FMT ", dst=" DRM_RECT_FMT ", rotation=%s\n",
> + fb ? fb->base.id : 0, fb ? format_name.str : "n/a",
> + fb ? fb->width : 0, fb ? fb->height : 0,
> + DRM_RECT_FP_ARG(&src),
> + DRM_RECT_ARG(&dst),
> + rot_str);
> +}
> +
> +static void intel_plane_hw_info(struct seq_file *m, struct intel_plane *plane)
> +{
> + const struct intel_plane_state *plane_state =
> + to_intel_plane_state(plane->base.state);
> + const struct drm_framebuffer *fb = plane_state->hw.fb;
> + struct drm_format_name_buf format_name;
> + char rot_str[48];
> +
> + if (!fb)
> + return;
> +
> + drm_get_format_name(fb->format->format, &format_name);
> +
> + plane_rotation(rot_str, sizeof(rot_str),
> + plane_state->hw.rotation);
> +
> + seq_printf(m, "\t\thw: fb=%d,%s,%dx%d, visible=%s, src=" DRM_RECT_FP_FMT ", dst=" DRM_RECT_FMT ", rotation=%s\n",
> + fb ? fb->base.id : 0, fb ? format_name.str : "n/a",
> + fb ? fb->width : 0, fb ? fb->height : 0,
> + yesno(plane_state->uapi.visible),
> + DRM_RECT_FP_ARG(&plane_state->uapi.src),
> + DRM_RECT_ARG(&plane_state->uapi.dst),
> + rot_str);
> +}
> +
> static void intel_plane_info(struct seq_file *m, struct intel_crtc *crtc)
> {
> struct drm_i915_private *dev_priv = node_to_i915(m->private);
> - struct drm_device *dev = &dev_priv->drm;
> struct intel_plane *plane;
>
> - for_each_intel_plane_on_crtc(dev, crtc, plane) {
> - const struct intel_plane_state *plane_state =
> - to_intel_plane_state(plane->base.state);
> - const struct drm_framebuffer *fb;
> - struct drm_format_name_buf format_name;
> - struct drm_rect src, dst;
> - char rot_str[48];
> -
> - if (!plane_state) {
> - seq_puts(m, "plane->state is NULL!\n");
> - continue;
> - }
> -
> - src = drm_plane_state_src(&plane_state->uapi);
> - dst = drm_plane_state_dest(&plane_state->uapi);
> -
> - fb = plane_state->uapi.fb;
> - if (fb)
> - drm_get_format_name(fb->format->format, &format_name);
> -
> - plane_rotation(rot_str, sizeof(rot_str),
> - plane_state->uapi.rotation);
> -
> - seq_printf(m, "\t[PLANE:%d:%s]: type=%s, fb=%d,%s,%dx%d, src=" DRM_RECT_FP_FMT ", dst=" DRM_RECT_FMT ", rotation=%s\n",
> + for_each_intel_plane_on_crtc(&dev_priv->drm, crtc, plane) {
> + seq_printf(m, "\t[PLANE:%d:%s]: type=%s\n",
> plane->base.base.id, plane->base.name,
> - plane_type(plane->base.type),
> - fb ? fb->base.id : 0,
> - fb ? format_name.str : "n/a",
> - fb ? fb->width : 0,
> - fb ? fb->height : 0,
> - DRM_RECT_FP_ARG(&src),
> - DRM_RECT_ARG(&dst),
> - rot_str);
> + plane_type(plane->base.type));
> + intel_plane_uapi_info(m, plane);
> + intel_plane_hw_info(m, plane);
> }
> }
>
> @@ -2631,26 +2654,33 @@ static void intel_crtc_info(struct seq_file *m, struct intel_crtc *crtc)
> const struct intel_crtc_state *crtc_state =
> to_intel_crtc_state(crtc->base.state);
>
> - seq_printf(m, "[CRTC:%d:%s]: active=%s, (size=%dx%d), dither=%s, bpp=%d\n",
> - crtc->base.base.id, crtc->base.name,
> - yesno(crtc_state->hw.active),
> - crtc_state->pipe_src_w, crtc_state->pipe_src_h,
> - yesno(crtc_state->dither), crtc_state->pipe_bpp);
> + seq_printf(m, "[CRTC:%d:%s]:\n",
> + crtc->base.base.id, crtc->base.name);
>
> - if (crtc_state->hw.active) {
> - const struct drm_display_mode *mode =
> - &crtc_state->hw.mode;
> + seq_printf(m, "\tuapi: enable=%s, active=%s, mode=" DRM_MODE_FMT "\n",
> + yesno(crtc_state->uapi.enable),
> + yesno(crtc_state->uapi.active),
> + DRM_MODE_ARG(&crtc_state->uapi.mode));
> +
> + if (crtc_state->hw.enable) {
> struct intel_encoder *encoder;
>
> - seq_printf(m, "\tmode: " DRM_MODE_FMT "\n", DRM_MODE_ARG(mode));
> + seq_printf(m, "\thw: active=%s, adjusted_mode=" DRM_MODE_FMT "\n",
> + yesno(crtc_state->hw.active),
> + DRM_MODE_ARG(&crtc_state->hw.adjusted_mode));
> +
> + seq_printf(m, "\tpipe src size=%dx%d, dither=%s, bpp=%d\n",
> + crtc_state->pipe_src_w, crtc_state->pipe_src_h,
> + yesno(crtc_state->dither), crtc_state->pipe_bpp);
>
> for_each_encoder_on_crtc(&dev_priv->drm, &crtc->base, encoder)
> intel_encoder_info(m, crtc, encoder);
>
> intel_scaler_info(m, crtc);
> - intel_plane_info(m, crtc);
> }
>
> + intel_plane_info(m, crtc);
> +
> seq_printf(m, "\tunderrun reporting: cpu=%s pch=%s\n",
> yesno(!crtc->cpu_fifo_underrun_disabled),
> yesno(!crtc->pch_fifo_underrun_disabled));
> --
> 2.23.0
>
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