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drm/print: add drm_debug_enabled()

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Add helper to check if a drm debug category is enabled. Convert drm core
to use it. No functional changes.

v2: Move unlikely() to drm_debug_enabled() (Eric)

v3: Keep unlikely() when combined with other conditions (Eric)

Cc: Eric Engestrom <eric@engestrom.ch>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Eric Engestrom <eric@engestrom.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191001140614.26909-1-jani.nikula@intel.com
This commit is contained in:
Jani Nikula
2019-10-01 17:06:14 +03:00
parent 959b077f26
commit f0a8f533ad
8 changed files with 18 additions and 13 deletions
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4
drivers/gpu/drm/drm_mipi_dbi.c
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@@ -783,7 +783,7 @@ static int mipi_dbi_spi1e_transfer(struct mipi_dbi *dbi, int dc,
int i, ret;
u8 *dst;
if (drm_debug & DRM_UT_DRIVER)
if (drm_debug_enabled(DRM_UT_DRIVER))
pr_debug("[drm:%s] dc=%d, max_chunk=%zu, transfers:\n",
__func__, dc, max_chunk);
@@ -907,7 +907,7 @@ static int mipi_dbi_spi1_transfer(struct mipi_dbi *dbi, int dc,
max_chunk = dbi->tx_buf9_len;
dst16 = dbi->tx_buf9;
if (drm_debug & DRM_UT_DRIVER)
if (drm_debug_enabled(DRM_UT_DRIVER))
pr_debug("[drm:%s] dc=%d, max_chunk=%zu, transfers:\n",
__func__, dc, max_chunk);