From: Harry Wentland <harry.wentland@amd.com>
Date: Tue, 6 Dec 2016 11:26:08 -0500
Subject: drm/amd/display: Fix bunch of warnings in DC
Git-commit: a33fa99d8b8ec71a69e089e39ab1498d31169640
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Some of those are potential bugs
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c | 2
drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 5 -
drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c | 5 -
drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c | 41 -------------
drivers/gpu/drm/amd/display/dc/dce/dce_transform.c | 2
drivers/gpu/drm/amd/display/dc/dce110/dce110_transform_v.c | 3
6 files changed, 5 insertions(+), 53 deletions(-)
--- a/drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c
@@ -1709,7 +1709,7 @@ static void calculate_bandwidth(
else {
data->blackout_recovery_time = bw_max2(data->blackout_recovery_time, bw_add(bw_mul(bw_int_to_fixed(2), vbios->mcifwrmc_urgent_latency), data->mcifwr_burst_time[data->y_clk_level][data->sclk_level]));
if (bw_ltn(data->adjusted_data_buffer_size[k], bw_mul(bw_div(bw_mul(data->display_bandwidth[k], data->useful_bytes_per_request[k]), data->bytes_per_request[k]), (bw_add(vbios->blackout_duration, bw_add(bw_mul(bw_int_to_fixed(2), vbios->mcifwrmc_urgent_latency), data->mcifwr_burst_time[data->y_clk_level][data->sclk_level])))))) {
- data->blackout_recovery_time = bw_max2(data->blackout_recovery_time, bw_div((bw_add(bw_mul(bw_div(bw_mul(data->display_bandwidth[k], data->useful_bytes_per_request[k]), data->bytes_per_request[k]), vbios->blackout_duration), bw_sub(bw_div(bw_mul(bw_mul(bw_mul((bw_add(bw_add(bw_mul(bw_int_to_fixed(2), vbios->mcifwrmc_urgent_latency), data->dmif_burst_time[i][j]), data->mcifwr_burst_time[data->y_clk_level][data->sclk_level])), data->dispclk), bw_int_to_fixed(data->bytes_per_pixel[k])), data->lines_interleaved_in_mem_access[k]), data->latency_hiding_lines[k]), data->adjusted_data_buffer_size[k]))), (bw_sub(bw_div(bw_mul(bw_mul(data->dispclk, bw_int_to_fixed(data->bytes_per_pixel[k])), data->lines_interleaved_in_mem_access[k]), data->latency_hiding_lines[k]), bw_div(bw_mul(data->display_bandwidth[k], data->useful_bytes_per_request[k]), data->bytes_per_request[k])))));
+ data->blackout_recovery_time = bw_max2(data->blackout_recovery_time, bw_div((bw_add(bw_mul(bw_div(bw_mul(data->display_bandwidth[k], data->useful_bytes_per_request[k]), data->bytes_per_request[k]), vbios->blackout_duration), bw_sub(bw_div(bw_mul(bw_mul(bw_mul((bw_add(bw_add(bw_mul(bw_int_to_fixed(2), vbios->mcifwrmc_urgent_latency), data->dmif_burst_time[data->y_clk_level][data->sclk_level]), data->mcifwr_burst_time[data->y_clk_level][data->sclk_level])), data->dispclk), bw_int_to_fixed(data->bytes_per_pixel[k])), data->lines_interleaved_in_mem_access[k]), data->latency_hiding_lines[k]), data->adjusted_data_buffer_size[k]))), (bw_sub(bw_div(bw_mul(bw_mul(data->dispclk, bw_int_to_fixed(data->bytes_per_pixel[k])), data->lines_interleaved_in_mem_access[k]), data->latency_hiding_lines[k]), bw_div(bw_mul(data->display_bandwidth[k], data->useful_bytes_per_request[k]), data->bytes_per_request[k])))));
}
}
}
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1834,11 +1834,10 @@ void resource_build_info_frame(struct pi
set_vendor_info_packet(
pipe_ctx->stream, &info_frame.vendor_info_packet);
set_spd_info_packet(pipe_ctx->stream, &info_frame.spd_packet);
- }
-
- else if (dc_is_dp_signal(signal))
+ } else if (dc_is_dp_signal(signal)) {
set_vsc_info_packet(pipe_ctx->stream, &info_frame.vsc_packet);
set_spd_info_packet(pipe_ctx->stream, &info_frame.spd_packet);
+ }
translate_info_frame(&info_frame,
&pipe_ctx->encoder_info_frame);
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
@@ -465,7 +465,6 @@ static uint32_t dce110_get_pix_clk_divid
struct pll_settings *pll_settings,
struct pixel_clk_params *pix_clk_params)
{
- uint32_t addr = 0;
uint32_t value = 0;
uint32_t field = 0;
uint32_t pll_calc_error = MAX_PLL_CALC_ERROR;
@@ -731,8 +730,6 @@ static void dce110_program_pixel_clk_res
enum signal_type signal_type,
enum dc_color_depth colordepth)
{
- uint32_t value = 0;
-
REG_UPDATE(RESYNC_CNTL,
DCCG_DEEP_COLOR_CNTL1, 0);
/*
@@ -772,8 +769,6 @@ static void dce112_program_pixel_clk_res
enum dc_color_depth colordepth,
bool enable_ycbcr420)
{
- uint32_t value = 0;
-
REG_UPDATE(PIXCLK_RESYNC_CNTL,
PHYPLLA_DCCG_DEEP_COLOR_CNTL, 0);
/*
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c
@@ -148,29 +148,6 @@ static int dce_divider_range_calc_divide
}
-static int dce_divider_range_calc_did(
- struct dce_divider_range *div_range,
- int div)
-{
- int did;
- /* Check before dividing.*/
- if (div_range->div_range_step == 0) {
- div_range->div_range_step = 1;
- /*div_range_step cannot be zero*/
- BREAK_TO_DEBUGGER();
- }
- /* Is this divider within our range?*/
- if ((div < div_range->div_range_start)
- || (div >= div_range->div_range_end))
- return INVALID_DID;
-/* did = (divider - range_start + (range_step-1)) / range_step) + did_min*/
- did = div - div_range->div_range_start;
- did += div_range->div_range_step - 1;
- did /= div_range->div_range_step;
- did += div_range->did_min;
- return did;
-}
-
static int dce_divider_range_get_divider(
struct dce_divider_range *div_range,
int ranges_num,
@@ -189,24 +166,6 @@ static int dce_divider_range_get_divider
return div;
}
-static int dce_divider_range_get_did(
- struct dce_divider_range *div_range,
- int ranges_num,
- int divider)
-{
- int did = INVALID_DID;
- int i;
-
- for (i = 0; i < ranges_num; i++) {
- /* CalcDid returns InvalidDid if a divider ID isn't found*/
- did = dce_divider_range_calc_did(&div_range[i], divider);
- /* Found a valid return did*/
- if (did != INVALID_DID)
- break;
- }
- return did;
-}
-
static int dce_clocks_get_dp_ref_freq(struct display_clock *clk)
{
struct dce_disp_clk *clk_dce = TO_DCE_CLOCKS(clk);
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c
@@ -83,8 +83,6 @@ static bool setup_scaling_configuration(
struct dce_transform *xfm_dce,
const struct scaler_data *data)
{
- struct dc_context *ctx = xfm_dce->base.ctx;
-
if (data->taps.h_taps + data->taps.v_taps <= 2) {
/* Set bypass */
REG_UPDATE_2(SCL_MODE, SCL_MODE, 0, SCL_PSCL_EN, 0);
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_transform_v.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_transform_v.c
@@ -621,7 +621,8 @@ static void dce110_xfmv_set_pixel_storag
const struct bit_depth_reduction_params *bit_depth_params)
{
struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
- int pixel_depth, expan_mode;
+ int pixel_depth = 0;
+ int expan_mode = 0;
uint32_t reg_data = 0;
switch (depth) {