drm/amd/display: remove invalid dc_is_hw_initialized function

[ Upstream commit e2d533eceb1feb0b8b965c3ff11184921532a28e ]

[why/how]
We found out that the register we read actually gets reset by SMU
after we loose power, meaning this always returns true

Signed-off-by: Joseph Gravenor <joseph.gravenor@amd.com>
Reviewed-by: Eric Yang <eric.yang2@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 32a07665863fde0f693bc4c5b4d3f96e1b00a243..48e4eb5a37dd457f88254e9215f0b28ae60e611a 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1362,12 +1362,6 @@ bool dc_commit_state(struct dc *dc, struct dc_state *context)
        return (result == DC_OK);
 }
 
-bool dc_is_hw_initialized(struct dc *dc)
-{
-       struct dc_bios *dcb = dc->ctx->dc_bios;
-       return dcb->funcs->is_accelerated_mode(dcb);
-}
-
 bool dc_post_update_surfaces_to_stream(struct dc *dc)
 {
        int i;

diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 8ff25b5dd2f6d76009a633831de5f219defc800a..e8d126890d7e389f2e3a3ab1c751ff20597084b2 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -1075,7 +1075,6 @@ unsigned int dc_get_current_backlight_pwm(struct dc *dc);
 unsigned int dc_get_target_backlight_pwm(struct dc *dc);
 
 bool dc_is_dmcu_initialized(struct dc *dc);
-bool dc_is_hw_initialized(struct dc *dc);
 
 enum dc_status dc_set_clock(struct dc *dc, enum dc_clock_type clock_type, uint32_t clk_khz, uint32_t stepping);
 void dc_get_clock(struct dc *dc, enum dc_clock_type clock_type, struct dc_clock_config *clock_cfg);