linux-kernel - [PATCH] drm: mali-dp: add atomic_print

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Message-ID: <1487005517-3186-1-git-send-email-mihail.atanassov@arm.com>
Date:   Mon, 13 Feb 2017 17:05:17 +0000
From:   Mihail Atanassov <mihail.atanassov@....com>
To:     <dri-devel@...ts.freedesktop.org>
CC:     David Airlie <airlied@...ux.ie>, Liviu Dudau <liviu.dudau@....com>,
        Brian Starkey <brian.starkey@....com>,
        Mali DP Maintainers <malidp@...s.arm.com>,
        <linux-kernel@...r.kernel.org>, <nd@....com>
Subject: [PATCH] drm: mali-dp: add atomic_print_state for planes

Print all the extra fields of malidp_plane_state.

Signed-off-by: Mihail Atanassov <mihail.atanassov@....com>
---
 drivers/gpu/drm/arm/malidp_planes.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c
index 414aada..3879dc5 100644
--- a/drivers/gpu/drm/arm/malidp_planes.c
+++ b/drivers/gpu/drm/arm/malidp_planes.c
@@ -16,6 +16,7 @@
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_plane_helper.h>
+#include <drm/drm_print.h>
 
 #include "malidp_hw.h"
 #include "malidp_drv.h"
@@ -88,6 +89,17 @@ static void malidp_destroy_plane_state(struct drm_plane *plane,
 	kfree(m_state);
 }
 
+static void malidp_plane_atomic_print_state(struct drm_printer *p,
+					    const struct drm_plane_state *state)
+{
+	struct malidp_plane_state *ms = to_malidp_plane_state(state);
+	struct malidp_plane *mp = to_malidp_plane(state->plane);
+
+	drm_printf(p, "\trotmem_size=%u\n", ms->rotmem_size);
+	drm_printf(p, "\tformat_id=%u\n", ms->format);
+	drm_printf(p, "\tn_planes=%u\n", ms->n_planes);
+}
+
 static const struct drm_plane_funcs malidp_de_plane_funcs = {
 	.update_plane = drm_atomic_helper_update_plane,
 	.disable_plane = drm_atomic_helper_disable_plane,
@@ -96,6 +108,7 @@ static void malidp_destroy_plane_state(struct drm_plane *plane,
 	.reset = drm_atomic_helper_plane_reset,
 	.atomic_duplicate_state = malidp_duplicate_plane_state,
 	.atomic_destroy_state = malidp_destroy_plane_state,
+	.atomic_print_state = malidp_plane_atomic_print_state,
 };
 
 static int malidp_de_plane_check(struct drm_plane *plane,
-- 
1.9.1