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Subject[PATCH] drm/radeon: remove three set but not used variable
Date
Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/radeon/radeon_atombios.c: In function
‘radeon_get_atom_connector_info_from_object_table’:
drivers/gpu/drm/radeon/radeon_atombios.c:651:26: warning: variable
‘grph_obj_num’ set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/radeon/radeon_atombios.c:651:13: warning: variable
‘grph_obj_id’ set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/radeon/radeon_atombios.c:573:37: warning: variable
‘con_obj_type’ set but not used [-Wunused-but-set-variable]

They are never used, and so can be removed.

Signed-off-by: yu kuai <yukuai3@huawei.com>
---
drivers/gpu/drm/radeon/radeon_atombios.c | 15 ++-------------
1 file changed, 2 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 072e6daedf7a..848ef68d9086 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -570,7 +570,7 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
path_size += le16_to_cpu(path->usSize);

if (device_support & le16_to_cpu(path->usDeviceTag)) {
- uint8_t con_obj_id, con_obj_num, con_obj_type;
+ uint8_t con_obj_id, con_obj_num;

con_obj_id =
(le16_to_cpu(path->usConnObjectId) & OBJECT_ID_MASK)
@@ -578,9 +578,6 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
con_obj_num =
(le16_to_cpu(path->usConnObjectId) & ENUM_ID_MASK)
>> ENUM_ID_SHIFT;
- con_obj_type =
- (le16_to_cpu(path->usConnObjectId) &
- OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;

/* TODO CV support */
if (le16_to_cpu(path->usDeviceTag) ==
@@ -648,15 +645,7 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
router.ddc_valid = false;
router.cd_valid = false;
for (j = 0; j < ((le16_to_cpu(path->usSize) - 8) / 2); j++) {
- uint8_t grph_obj_id, grph_obj_num, grph_obj_type;
-
- grph_obj_id =
- (le16_to_cpu(path->usGraphicObjIds[j]) &
- OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
- grph_obj_num =
- (le16_to_cpu(path->usGraphicObjIds[j]) &
- ENUM_ID_MASK) >> ENUM_ID_SHIFT;
- grph_obj_type =
+ uint8_t grph_obj_type =
(le16_to_cpu(path->usGraphicObjIds[j]) &
OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;

--
2.17.2
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