summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/display/modules
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2019-10-30 05:46:00 +1000
committerDave Airlie <airlied@redhat.com>2019-10-30 05:46:09 +1000
commit60845e34f0c5c19a9e86af477b429993952f585b (patch)
tree6b2fed16145e80c3904ffae2d996efedb80db3a0 /drivers/gpu/drm/amd/display/modules
parent3275a71e76fac5bc276f0d60e027b18c2e8d7a5b (diff)
parent0e04ad7d1857670944786a8465930a049aaf995f (diff)
Merge tag 'drm-next-5.5-2019-10-25' of git://people.freedesktop.org/~agd5f/linux into drm-next
drm-next-5.5-2019-10-25: amdgpu: - BACO support for CI and VI asics - Quick memory training support for navi - MSI-X support - RAS fixes - Display AVI infoframe fixes - Display ref clock fixes for renoir - Fix number of audio endpoints in renoir - Fix for discovery tables - Powerplay fixes - Documentation fixes - Misc cleanups radeon: - revert a PPC fix which broke x86 Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191025221020.203546-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules')
-rw-r--r--drivers/gpu/drm/amd/display/modules/freesync/freesync.c17
-rw-r--r--drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h3
-rw-r--r--drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c98
3 files changed, 113 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index 237dda751380..16e69bbc69aa 100644
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -234,6 +234,10 @@ static void update_v_total_for_static_ramp(
current_duration_in_us) * (stream->timing.pix_clk_100hz / 10)),
stream->timing.h_total), 1000);
+ /* v_total cannot be less than nominal */
+ if (v_total < stream->timing.v_total)
+ v_total = stream->timing.v_total;
+
in_out_vrr->adjust.v_total_min = v_total;
in_out_vrr->adjust.v_total_max = v_total;
}
@@ -743,6 +747,10 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync,
nominal_field_rate_in_uhz =
mod_freesync_calc_nominal_field_rate(stream);
+ /* Rounded to the nearest Hz */
+ nominal_field_rate_in_uhz = 1000000ULL *
+ div_u64(nominal_field_rate_in_uhz + 500000, 1000000);
+
min_refresh_in_uhz = in_config->min_refresh_in_uhz;
max_refresh_in_uhz = in_config->max_refresh_in_uhz;
@@ -998,14 +1006,13 @@ unsigned long long mod_freesync_calc_nominal_field_rate(
const struct dc_stream_state *stream)
{
unsigned long long nominal_field_rate_in_uhz = 0;
+ unsigned int total = stream->timing.h_total * stream->timing.v_total;
- /* Calculate nominal field rate for stream */
+ /* Calculate nominal field rate for stream, rounded up to nearest integer */
nominal_field_rate_in_uhz = stream->timing.pix_clk_100hz / 10;
nominal_field_rate_in_uhz *= 1000ULL * 1000ULL * 1000ULL;
- nominal_field_rate_in_uhz = div_u64(nominal_field_rate_in_uhz,
- stream->timing.h_total);
- nominal_field_rate_in_uhz = div_u64(nominal_field_rate_in_uhz,
- stream->timing.v_total);
+
+ nominal_field_rate_in_uhz = div_u64(nominal_field_rate_in_uhz, total);
return nominal_field_rate_in_uhz;
}
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h b/drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h
index d930bdecb117..ca8ce3c55337 100644
--- a/drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h
@@ -35,4 +35,7 @@ struct mod_vrr_params;
void mod_build_vsc_infopacket(const struct dc_stream_state *stream,
struct dc_info_packet *info_packet);
+void mod_build_hf_vsif_infopacket(const struct dc_stream_state *stream,
+ struct dc_info_packet *info_packet, int ALLMEnabled, int ALLMValue);
+
#endif
diff --git a/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c
index d885d642ed7f..db6b08f6d093 100644
--- a/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c
+++ b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c
@@ -31,6 +31,7 @@
#include "dc.h"
#define HDMI_INFOFRAME_TYPE_VENDOR 0x81
+#define HF_VSIF_VERSION 1
// VTEM Byte Offset
#define VTEM_PB0 0
@@ -395,3 +396,100 @@ void mod_build_vsc_infopacket(const struct dc_stream_state *stream,
}
+/**
+ *****************************************************************************
+ * Function: mod_build_hf_vsif_infopacket
+ *
+ * @brief
+ * Prepare HDMI Vendor Specific info frame.
+ * Follows HDMI Spec to build up Vendor Specific info frame
+ *
+ * @param [in] stream: contains data we may need to construct VSIF (i.e. timing_3d_format, etc.)
+ * @param [out] info_packet: output structure where to store VSIF
+ *****************************************************************************
+ */
+void mod_build_hf_vsif_infopacket(const struct dc_stream_state *stream,
+ struct dc_info_packet *info_packet, int ALLMEnabled, int ALLMValue)
+{
+ unsigned int length = 5;
+ bool hdmi_vic_mode = false;
+ uint8_t checksum = 0;
+ uint32_t i = 0;
+ enum dc_timing_3d_format format;
+ bool bALLM = (bool)ALLMEnabled;
+ bool bALLMVal = (bool)ALLMValue;
+
+ info_packet->valid = false;
+ format = stream->timing.timing_3d_format;
+ if (stream->view_format == VIEW_3D_FORMAT_NONE)
+ format = TIMING_3D_FORMAT_NONE;
+
+ if (stream->timing.hdmi_vic != 0
+ && stream->timing.h_total >= 3840
+ && stream->timing.v_total >= 2160
+ && format == TIMING_3D_FORMAT_NONE)
+ hdmi_vic_mode = true;
+
+ if ((format == TIMING_3D_FORMAT_NONE) && !hdmi_vic_mode && !bALLM)
+ return;
+
+ info_packet->sb[1] = 0x03;
+ info_packet->sb[2] = 0x0C;
+ info_packet->sb[3] = 0x00;
+
+ if (bALLM) {
+ info_packet->sb[1] = 0xD8;
+ info_packet->sb[2] = 0x5D;
+ info_packet->sb[3] = 0xC4;
+ info_packet->sb[4] = HF_VSIF_VERSION;
+ }
+
+ if (format != TIMING_3D_FORMAT_NONE)
+ info_packet->sb[4] = (2 << 5);
+
+ else if (hdmi_vic_mode)
+ info_packet->sb[4] = (1 << 5);
+
+ switch (format) {
+ case TIMING_3D_FORMAT_HW_FRAME_PACKING:
+ case TIMING_3D_FORMAT_SW_FRAME_PACKING:
+ info_packet->sb[5] = (0x0 << 4);
+ break;
+
+ case TIMING_3D_FORMAT_SIDE_BY_SIDE:
+ case TIMING_3D_FORMAT_SBS_SW_PACKED:
+ info_packet->sb[5] = (0x8 << 4);
+ length = 6;
+ break;
+
+ case TIMING_3D_FORMAT_TOP_AND_BOTTOM:
+ case TIMING_3D_FORMAT_TB_SW_PACKED:
+ info_packet->sb[5] = (0x6 << 4);
+ break;
+
+ default:
+ break;
+ }
+
+ if (hdmi_vic_mode)
+ info_packet->sb[5] = stream->timing.hdmi_vic;
+
+ info_packet->hb0 = HDMI_INFOFRAME_TYPE_VENDOR;
+ info_packet->hb1 = 0x01;
+ info_packet->hb2 = (uint8_t) (length);
+
+ if (bALLM)
+ info_packet->sb[5] = (info_packet->sb[5] & ~0x02) | (bALLMVal << 1);
+
+ checksum += info_packet->hb0;
+ checksum += info_packet->hb1;
+ checksum += info_packet->hb2;
+
+ for (i = 1; i <= length; i++)
+ checksum += info_packet->sb[i];
+
+ info_packet->sb[0] = (uint8_t) (0x100 - checksum);
+
+ info_packet->valid = true;
+}
+