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drm/amd/display: Refine disable VGA 

bad case won't follow normal sense, it will not enable vga1 as usual, but vga2,3,4 is on.

Signed-off-by: Clark Zheng <clark.zheng@amd.com>
Reviewed-by: Tony Cheng <tony.cheng@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Clark Zheng 2018-03-15 14:02:06 +08:00 committed by Alex Deucher
parent d1bb88e078
commit 219be9dda6
2 changed files with 20 additions and 4 deletions
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8
drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.h
View File

@ -496,6 +496,9 @@ struct dce_hwseq_registers {
HWS_SF(, DOMAIN7_PG_STATUS, DOMAIN7_PGFSM_PWR_STATUS, mask_sh), \ HWS_SF(, DOMAIN7_PG_STATUS, DOMAIN7_PGFSM_PWR_STATUS, mask_sh), \
HWS_SF(, DC_IP_REQUEST_CNTL, IP_REQUEST_EN, mask_sh), \ HWS_SF(, DC_IP_REQUEST_CNTL, IP_REQUEST_EN, mask_sh), \
HWS_SF(, D1VGA_CONTROL, D1VGA_MODE_ENABLE, mask_sh),\ HWS_SF(, D1VGA_CONTROL, D1VGA_MODE_ENABLE, mask_sh),\
HWS_SF(, D2VGA_CONTROL, D2VGA_MODE_ENABLE, mask_sh),\
HWS_SF(, D3VGA_CONTROL, D3VGA_MODE_ENABLE, mask_sh),\
HWS_SF(, D4VGA_CONTROL, D4VGA_MODE_ENABLE, mask_sh),\
HWS_SF(, VGA_TEST_CONTROL, VGA_TEST_ENABLE, mask_sh),\ HWS_SF(, VGA_TEST_CONTROL, VGA_TEST_ENABLE, mask_sh),\
HWS_SF(, VGA_TEST_CONTROL, VGA_TEST_RENDER_START, mask_sh),\ HWS_SF(, VGA_TEST_CONTROL, VGA_TEST_RENDER_START, mask_sh),\
HWS_SF(, LVTMA_PWRSEQ_CNTL, LVTMA_BLON, mask_sh), \ HWS_SF(, LVTMA_PWRSEQ_CNTL, LVTMA_BLON, mask_sh), \
@ -591,7 +594,10 @@ struct dce_hwseq_registers {
type DENTIST_DISPCLK_WDIVIDER; \ type DENTIST_DISPCLK_WDIVIDER; \
type VGA_TEST_ENABLE; \ type VGA_TEST_ENABLE; \
type VGA_TEST_RENDER_START; \ type VGA_TEST_RENDER_START; \
type D1VGA_MODE_ENABLE; type D1VGA_MODE_ENABLE; \
type D2VGA_MODE_ENABLE; \
type D3VGA_MODE_ENABLE; \
type D4VGA_MODE_ENABLE;
struct dce_hwseq_shift { struct dce_hwseq_shift {
HWSEQ_REG_FIELD_LIST(uint8_t) HWSEQ_REG_FIELD_LIST(uint8_t)

16
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
View File

@ -238,14 +238,24 @@ static void enable_power_gating_plane(
static void disable_vga( static void disable_vga(
struct dce_hwseq *hws) struct dce_hwseq *hws)
{ {
unsigned int in_vga_mode = 0; unsigned int in_vga1_mode = 0;
unsigned int in_vga2_mode = 0;
unsigned int in_vga3_mode = 0;
unsigned int in_vga4_mode = 0;
REG_GET(D1VGA_CONTROL, D1VGA_MODE_ENABLE, &in_vga_mode); REG_GET(D1VGA_CONTROL, D1VGA_MODE_ENABLE, &in_vga1_mode);
REG_GET(D2VGA_CONTROL, D2VGA_MODE_ENABLE, &in_vga2_mode);
REG_GET(D3VGA_CONTROL, D3VGA_MODE_ENABLE, &in_vga3_mode);
REG_GET(D4VGA_CONTROL, D4VGA_MODE_ENABLE, &in_vga4_mode);
if (in_vga_mode == 0) if (in_vga1_mode == 0 && in_vga2_mode == 0 &&
in_vga3_mode == 0 && in_vga4_mode == 0)
return; return;
REG_WRITE(D1VGA_CONTROL, 0); REG_WRITE(D1VGA_CONTROL, 0);
REG_WRITE(D2VGA_CONTROL, 0);
REG_WRITE(D3VGA_CONTROL, 0);
REG_WRITE(D4VGA_CONTROL, 0);
/* HW Engineer's Notes: /* HW Engineer's Notes:
* During switch from vga->extended, if we set the VGA_TEST_ENABLE and * During switch from vga->extended, if we set the VGA_TEST_ENABLE and