mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-16 07:35:14 +00:00
Code Issues Releases Wiki Activity

drm/i915/display/dsi: Add support to pipe D

Browse source 
Adding pipe D support to DSI transcoder.
Not adding it for EDP transcoder code paths as only TGL has 4 pipes
and it do not have a EDP transcoder.

Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191107214559.77087-2-jose.souza@intel.com
This commit is contained in:
José Roberto de Souza 2019-11-07 13:45:58 -08:00
parent bb747fa5a9
commit 4d89adc7b5
2 changed files with 7 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
drivers/gpu/drm/i915/display/icl_dsi.c
View file

@ -745,6 +745,9 @@ gen11_dsi_configure_transcoder(struct intel_encoder *encoder,
case PIPE_C:
tmp |= TRANS_DDI_EDP_INPUT_C_ONOFF;
break;
case PIPE_D:
tmp |= TRANS_DDI_EDP_INPUT_D_ONOFF;
break;
}
/* enable DDI buffer */
@ -1325,6 +1328,9 @@ static bool gen11_dsi_get_hw_state(struct intel_encoder *encoder,
case TRANS_DDI_EDP_INPUT_C_ONOFF:
*pipe = PIPE_C;
break;
case TRANS_DDI_EDP_INPUT_D_ONOFF:
*pipe = PIPE_D;
break;
default:
DRM_ERROR("Invalid PIPE input\n");
goto out;

1
drivers/gpu/drm/i915/i915_reg.h
View file

@ -9675,6 +9675,7 @@ enum skl_power_gate {
#define TRANS_DDI_EDP_INPUT_A_ONOFF (4 << 12)
#define TRANS_DDI_EDP_INPUT_B_ONOFF (5 << 12)
#define TRANS_DDI_EDP_INPUT_C_ONOFF (6 << 12)
#define TRANS_DDI_EDP_INPUT_D_ONOFF (7 << 12)
#define TRANS_DDI_MST_TRANSPORT_SELECT_MASK REG_GENMASK(11, 10)
#define TRANS_DDI_MST_TRANSPORT_SELECT(trans) \
REG_FIELD_PREP(TRANS_DDI_MST_TRANSPORT_SELECT_MASK, trans)