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drm/i915: Clean up transcoder_to_stream_enc_status() 

Drop the pointless middle man variable and just return the
correct thing directly.  And while at it change the return
type to u32 since this is a register value we're returning.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220912111814.17466-3-ville.syrjala@linux.intel.com
Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2022-09-12 14:18:01 +03:00
parent 60c0df33da
commit 6a08cbda45
1 changed files with 6 additions and 14 deletions
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20
drivers/gpu/drm/i915/display/intel_dp_hdcp.c
View File

@ -19,28 +19,20 @@
#include "intel_hdcp.h"
#include "intel_hdcp_regs.h"
static unsigned int transcoder_to_stream_enc_status(enum transcoder cpu_transcoder)
static u32 transcoder_to_stream_enc_status(enum transcoder cpu_transcoder)
{
u32 stream_enc_mask;
switch (cpu_transcoder) {
case TRANSCODER_A:
stream_enc_mask = HDCP_STATUS_STREAM_A_ENC;
break;
return HDCP_STATUS_STREAM_A_ENC;
case TRANSCODER_B:
stream_enc_mask = HDCP_STATUS_STREAM_B_ENC;
break;
return HDCP_STATUS_STREAM_B_ENC;
case TRANSCODER_C:
stream_enc_mask = HDCP_STATUS_STREAM_C_ENC;
break;
return HDCP_STATUS_STREAM_C_ENC;
case TRANSCODER_D:
stream_enc_mask = HDCP_STATUS_STREAM_D_ENC;
break;
return HDCP_STATUS_STREAM_D_ENC;
default:
stream_enc_mask = 0;
return 0;
}
return stream_enc_mask;
}
static void intel_dp_hdcp_wait_for_cp_irq(struct intel_hdcp *hdcp, int timeout)