diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2011-01-25 13:59:37 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-01-26 09:48:01 +0000 |
| commit | 1a3665c81df32b23c38d4ba8a74761551d5673b1 (patch) | |
| tree | 43d3871f09365bf0954db95dc5d3dba77af6b1a1 /drivers/gpu/drm/i915/intel_sdvo.c | |
| parent | bc65212c36421193e368565c20410c1c4a909720 (diff) | |
drm/i915/sdvo: Add BUILD_BUG_ON to warn if the structs are ever miscompiled
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_sdvo.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_sdvo.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index fc016048cd5..5a86b77e508 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -587,6 +587,7 @@ static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *i { struct intel_sdvo_get_trained_inputs_response response; + BUILD_BUG_ON(sizeof(response) != 1); if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS, &response, sizeof(response))) return false; @@ -634,6 +635,7 @@ static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo { struct intel_sdvo_pixel_clock_range clocks; + BUILD_BUG_ON(sizeof(clocks) != 4); if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE, &clocks, sizeof(clocks))) @@ -701,6 +703,8 @@ intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo, static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo, struct intel_sdvo_dtd *dtd) { + BUILD_BUG_ON(sizeof(dtd->part1) != 8); + BUILD_BUG_ON(sizeof(dtd->part2) != 8); return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1, &dtd->part1, sizeof(dtd->part1)) && intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2, @@ -798,6 +802,7 @@ static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo) { struct intel_sdvo_encode encode; + BUILD_BUG_ON(sizeof(encode) != 2); return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_SUPP_ENCODE, &encode, sizeof(encode)); @@ -1161,6 +1166,7 @@ static int intel_sdvo_mode_valid(struct drm_connector *connector, static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps) { + BUILD_BUG_ON(sizeof(*caps) != 8); if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DEVICE_CAPS, caps, sizeof(*caps))) @@ -2200,6 +2206,7 @@ static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo, if (!intel_sdvo_set_target_output(intel_sdvo, type)) return false; + BUILD_BUG_ON(sizeof(format) != 6); if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_SUPPORTED_TV_FORMATS, &format, sizeof(format))) @@ -2406,6 +2413,8 @@ static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo, uint16_t response; } enhancements; + BUILD_BUG_ON(sizeof(enhancements) != 2); + enhancements.response = 0; intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS, |