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drm/i915/dsi: Add details about TE in get_config

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We need details about enabling TE on which port before we enable TE
through vblank enable path. This is based on the configuration that we
receive from the VBT wrt ports, dual_link.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200924124209.17916-2-vandita.kulkarni@intel.com
This commit is contained in:
Vandita Kulkarni 2020-09-24 18:12:05 +05:30 • committed by Jani Nikula
parent 7852ddd5d6
commit 5682a41f93
1 changed files with 18 additions and 12 deletions
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30
drivers/gpu/drm/i915/display/icl_dsi.c
View file

@ -1447,6 +1447,18 @@ static bool gen11_dsi_is_periodic_cmd_mode(struct intel_dsi *intel_dsi)
return (val & DSI_PERIODIC_FRAME_UPDATE_ENABLE);
}
static void gen11_dsi_get_cmd_mode_config(struct intel_dsi *intel_dsi,
struct intel_crtc_state *pipe_config)
{
if (intel_dsi->ports == (BIT(PORT_B) | BIT(PORT_A)))
pipe_config->mode_flags |= I915_MODE_FLAG_DSI_USE_TE1 |
I915_MODE_FLAG_DSI_USE_TE0;
else if (intel_dsi->ports == BIT(PORT_B))
pipe_config->mode_flags |= I915_MODE_FLAG_DSI_USE_TE1;
else
pipe_config->mode_flags |= I915_MODE_FLAG_DSI_USE_TE0;
}
static void gen11_dsi_get_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config)
{
@ -1468,6 +1480,10 @@ static void gen11_dsi_get_config(struct intel_encoder *encoder,
pipe_config->output_types |= BIT(INTEL_OUTPUT_DSI);
pipe_config->pipe_bpp = bdw_get_pipemisc_bpp(crtc);
/* Get the details on which TE should be enabled */
if (is_cmd_mode(intel_dsi))
gen11_dsi_get_cmd_mode_config(intel_dsi, pipe_config);
if (gen11_dsi_is_periodic_cmd_mode(intel_dsi))
pipe_config->mode_flags |= I915_MODE_FLAG_DSI_PERIODIC_CMD_MODE;
}
@ -1562,18 +1578,8 @@ static int gen11_dsi_compute_config(struct intel_encoder *encoder,
* receive TE from the slave if
* dual link is enabled
*/
if (is_cmd_mode(intel_dsi)) {
if (intel_dsi->ports == (BIT(PORT_B) | BIT(PORT_A)))
pipe_config->mode_flags |=
I915_MODE_FLAG_DSI_USE_TE1 |
I915_MODE_FLAG_DSI_USE_TE0;
else if (intel_dsi->ports == BIT(PORT_B))
pipe_config->mode_flags |=
I915_MODE_FLAG_DSI_USE_TE1;
else
pipe_config->mode_flags |=
I915_MODE_FLAG_DSI_USE_TE0;
}
if (is_cmd_mode(intel_dsi))
gen11_dsi_get_cmd_mode_config(intel_dsi, pipe_config);
return 0;
}