From: Daniel Vetter Date: Wed, 16 Oct 2013 20:55:58 +0000 (+0200) Subject: drm/i915: Add new CRC sources X-Git-Tag: firefly_0821_release~176^2~4523^2~90^2~112 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3d099a05b121727bfa797391ea1da15eb33eac16;p=firefly-linux-kernel-4.4.55.git drm/i915: Add new CRC sources On pre-gen5 and vlv we can't use the pipe source when TV-out or a DP port is connected to the pipe. Hence we need to expose new CRC sources. Also simplify the existing pipe source platform code a bit by rejecting all unhandled sources by default. Reviewed-by: Ville Syrjälä Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 061182a0ce1b..d7ee350fc6a3 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1915,6 +1915,10 @@ static const char * const pipe_crc_sources[] = { "plane2", "pf", "pipe", + "TV", + "DP-B", + "DP-C", + "DP-D", }; static const char *pipe_crc_source_name(enum intel_pipe_crc_source source) @@ -1953,14 +1957,14 @@ static int ilk_pipe_crc_ctl_reg(enum intel_pipe_crc_source source, case INTEL_PIPE_CRC_SOURCE_PLANE2: *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_SPRITE_ILK; break; - case INTEL_PIPE_CRC_SOURCE_PF: - return -EINVAL; case INTEL_PIPE_CRC_SOURCE_PIPE: *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_ILK; break; - default: + case INTEL_PIPE_CRC_SOURCE_NONE: *val = 0; break; + default: + return -EINVAL; } return 0; @@ -1979,11 +1983,11 @@ static int ivb_pipe_crc_ctl_reg(enum intel_pipe_crc_source source, case INTEL_PIPE_CRC_SOURCE_PF: *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PF_IVB; break; - case INTEL_PIPE_CRC_SOURCE_PIPE: - return -EINVAL; - default: + case INTEL_PIPE_CRC_SOURCE_NONE: *val = 0; break; + default: + return -EINVAL; } return 0; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index dee03325d596..07e4949c5f3c 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1224,6 +1224,11 @@ enum intel_pipe_crc_source { INTEL_PIPE_CRC_SOURCE_PLANE2, INTEL_PIPE_CRC_SOURCE_PF, INTEL_PIPE_CRC_SOURCE_PIPE, + /* TV/DP on pre-gen5/vlv can't use the pipe source. */ + INTEL_PIPE_CRC_SOURCE_TV, + INTEL_PIPE_CRC_SOURCE_DP_B, + INTEL_PIPE_CRC_SOURCE_DP_C, + INTEL_PIPE_CRC_SOURCE_DP_D, INTEL_PIPE_CRC_SOURCE_MAX, };