linux-kernel - [PATCH 06/19] drm/radeon/atom: Move prototype into shared location

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Date:   Fri,  6 Nov 2020 21:49:36 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     lee.jones@...aro.org
Cc:     linux-kernel@...r.kernel.org,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH 06/19] drm/radeon/atom: Move prototype into shared location

Both source files include atom.h, which seems like a reasonable
location to place an atom based function into.

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/radeon_atombios.c:1791:6: warning: no previous prototype for ‘radeon_atom_get_tv_timings’ [-Wmissing-prototypes]
 1791 | bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@....com>
Cc: "Christian König" <christian.koenig@....com>
Cc: David Airlie <airlied@...ux.ie>
Cc: Daniel Vetter <daniel@...ll.ch>
Cc: amd-gfx@...ts.freedesktop.org
Cc: dri-devel@...ts.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/gpu/drm/radeon/atom.h              | 6 ++++++
 drivers/gpu/drm/radeon/atombios_encoders.c | 4 ----
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/radeon/atom.h b/drivers/gpu/drm/radeon/atom.h
index 1bf06c91cd959..cb93b83114dbe 100644
--- a/drivers/gpu/drm/radeon/atom.h
+++ b/drivers/gpu/drm/radeon/atom.h
@@ -154,6 +154,12 @@ bool atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size,
 bool atom_parse_cmd_header(struct atom_context *ctx, int index,
 			   uint8_t *frev, uint8_t *crev);
 int atom_allocate_fb_scratch(struct atom_context *ctx);
+
+struct drm_display_mode;
+struct radeon_device;
+bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
+				struct drm_display_mode *mode);
+
 #include "atom-types.h"
 #include "atombios.h"
 #include "ObjectID.h"
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index cc5ee1b3af84f..85f903caf12e1 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -296,10 +296,6 @@ static void radeon_atom_backlight_exit(struct radeon_encoder *encoder)
 
 #endif
 
-/* evil but including atombios.h is much worse */
-bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
-				struct drm_display_mode *mode);
-
 static bool radeon_atom_mode_fixup(struct drm_encoder *encoder,
 				   const struct drm_display_mode *mode,
 				   struct drm_display_mode *adjusted_mode)
-- 
2.25.1