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drm/amd/display: check SR_WATERMARK regs prior to write

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Signed-off-by: Eric Bernstein <eric.bernstein@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Bernstein 2017-10-11 15:14:46 -04:00 • committed by Alex Deucher
parent 2126732fda
commit 9a5bcd47ea
1 changed files with 72 additions and 68 deletions
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140
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
View file

@ -481,27 +481,26 @@ static void program_watermarks(
"HW register value = 0x%x\n",
watermarks->a.pte_meta_urgent_ns, prog_wm_value);
prog_wm_value = convert_and_clamp(
watermarks->a.cstate_pstate.cstate_enter_plus_exit_ns,
refclk_mhz, 0x1fffff);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_A, prog_wm_value);
dm_logger_write(hws->ctx->logger, LOG_BANDWIDTH_CALCS,
"SR_ENTER_EXIT_WATERMARK_A calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->a.cstate_pstate.cstate_enter_plus_exit_ns, prog_wm_value);
if (REG(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_A)) {
prog_wm_value = convert_and_clamp(
watermarks->a.cstate_pstate.cstate_enter_plus_exit_ns,
refclk_mhz, 0x1fffff);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_A, prog_wm_value);
dm_logger_write(hws->ctx->logger, LOG_BANDWIDTH_CALCS,
"SR_ENTER_EXIT_WATERMARK_A calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->a.cstate_pstate.cstate_enter_plus_exit_ns, prog_wm_value);
prog_wm_value = convert_and_clamp(
watermarks->a.cstate_pstate.cstate_exit_ns,
refclk_mhz, 0x1fffff);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_A, prog_wm_value);
dm_logger_write(hws->ctx->logger, LOG_BANDWIDTH_CALCS,
"SR_EXIT_WATERMARK_A calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->a.cstate_pstate.cstate_exit_ns, prog_wm_value);
prog_wm_value = convert_and_clamp(
watermarks->a.cstate_pstate.cstate_exit_ns,
refclk_mhz, 0x1fffff);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_A, prog_wm_value);
dm_logger_write(hws->ctx->logger, LOG_BANDWIDTH_CALCS,
"SR_EXIT_WATERMARK_A calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->a.cstate_pstate.cstate_exit_ns, prog_wm_value);
}
prog_wm_value = convert_and_clamp(
watermarks->a.cstate_pstate.pstate_change_ns,
@ -533,24 +532,26 @@ static void program_watermarks(
watermarks->b.pte_meta_urgent_ns, prog_wm_value);
prog_wm_value = convert_and_clamp(
watermarks->b.cstate_pstate.cstate_enter_plus_exit_ns,
refclk_mhz, 0x1fffff);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_B, prog_wm_value);
dm_logger_write(hws->ctx->logger, LOG_BANDWIDTH_CALCS,
"SR_ENTER_WATERMARK_B calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->b.cstate_pstate.cstate_enter_plus_exit_ns, prog_wm_value);
if (REG(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_B)) {
prog_wm_value = convert_and_clamp(
watermarks->b.cstate_pstate.cstate_enter_plus_exit_ns,
refclk_mhz, 0x1fffff);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_B, prog_wm_value);
dm_logger_write(hws->ctx->logger, LOG_BANDWIDTH_CALCS,
"SR_ENTER_WATERMARK_B calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->b.cstate_pstate.cstate_enter_plus_exit_ns, prog_wm_value);
prog_wm_value = convert_and_clamp(
watermarks->b.cstate_pstate.cstate_exit_ns,
refclk_mhz, 0x1fffff);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_B, prog_wm_value);
dm_logger_write(hws->ctx->logger, LOG_BANDWIDTH_CALCS,
"SR_EXIT_WATERMARK_B calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->b.cstate_pstate.cstate_exit_ns, prog_wm_value);
prog_wm_value = convert_and_clamp(
watermarks->b.cstate_pstate.cstate_exit_ns,
refclk_mhz, 0x1fffff);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_B, prog_wm_value);
dm_logger_write(hws->ctx->logger, LOG_BANDWIDTH_CALCS,
"SR_EXIT_WATERMARK_B calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->b.cstate_pstate.cstate_exit_ns, prog_wm_value);
}
prog_wm_value = convert_and_clamp(
watermarks->b.cstate_pstate.pstate_change_ns,
@ -581,25 +582,26 @@ static void program_watermarks(
watermarks->c.pte_meta_urgent_ns, prog_wm_value);
prog_wm_value = convert_and_clamp(
watermarks->c.cstate_pstate.cstate_enter_plus_exit_ns,
refclk_mhz, 0x1fffff);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_C, prog_wm_value);
dm_logger_write(hws->ctx->logger, LOG_BANDWIDTH_CALCS,
"SR_ENTER_WATERMARK_C calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->c.cstate_pstate.cstate_enter_plus_exit_ns, prog_wm_value);
if (REG(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_C)) {
prog_wm_value = convert_and_clamp(
watermarks->c.cstate_pstate.cstate_enter_plus_exit_ns,
refclk_mhz, 0x1fffff);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_C, prog_wm_value);
dm_logger_write(hws->ctx->logger, LOG_BANDWIDTH_CALCS,
"SR_ENTER_WATERMARK_C calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->c.cstate_pstate.cstate_enter_plus_exit_ns, prog_wm_value);
prog_wm_value = convert_and_clamp(
watermarks->c.cstate_pstate.cstate_exit_ns,
refclk_mhz, 0x1fffff);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_C, prog_wm_value);
dm_logger_write(hws->ctx->logger, LOG_BANDWIDTH_CALCS,
"SR_EXIT_WATERMARK_C calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->c.cstate_pstate.cstate_exit_ns, prog_wm_value);
prog_wm_value = convert_and_clamp(
watermarks->c.cstate_pstate.cstate_exit_ns,
refclk_mhz, 0x1fffff);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_C, prog_wm_value);
dm_logger_write(hws->ctx->logger, LOG_BANDWIDTH_CALCS,
"SR_EXIT_WATERMARK_C calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->c.cstate_pstate.cstate_exit_ns, prog_wm_value);
}
prog_wm_value = convert_and_clamp(
watermarks->c.cstate_pstate.pstate_change_ns,
@ -629,24 +631,26 @@ static void program_watermarks(
watermarks->d.pte_meta_urgent_ns, prog_wm_value);
prog_wm_value = convert_and_clamp(
watermarks->d.cstate_pstate.cstate_enter_plus_exit_ns,
refclk_mhz, 0x1fffff);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_D, prog_wm_value);
dm_logger_write(hws->ctx->logger, LOG_BANDWIDTH_CALCS,
"SR_ENTER_WATERMARK_D calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->d.cstate_pstate.cstate_enter_plus_exit_ns, prog_wm_value);
if (REG(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_D)) {
prog_wm_value = convert_and_clamp(
watermarks->d.cstate_pstate.cstate_enter_plus_exit_ns,
refclk_mhz, 0x1fffff);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_D, prog_wm_value);
dm_logger_write(hws->ctx->logger, LOG_BANDWIDTH_CALCS,
"SR_ENTER_WATERMARK_D calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->d.cstate_pstate.cstate_enter_plus_exit_ns, prog_wm_value);
prog_wm_value = convert_and_clamp(
watermarks->d.cstate_pstate.cstate_exit_ns,
refclk_mhz, 0x1fffff);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_D, prog_wm_value);
dm_logger_write(hws->ctx->logger, LOG_BANDWIDTH_CALCS,
"SR_EXIT_WATERMARK_D calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->d.cstate_pstate.cstate_exit_ns, prog_wm_value);
prog_wm_value = convert_and_clamp(
watermarks->d.cstate_pstate.cstate_exit_ns,
refclk_mhz, 0x1fffff);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_D, prog_wm_value);
dm_logger_write(hws->ctx->logger, LOG_BANDWIDTH_CALCS,
"SR_EXIT_WATERMARK_D calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->d.cstate_pstate.cstate_exit_ns, prog_wm_value);
}
prog_wm_value = convert_and_clamp(