From: Brandon Syu <Brandon.Syu@xxxxxxx> [Why] There is an issue mapping non-allocated location of memory. It would allocate gpio registers from an array out of bounds. [How] Patch correct numbers of bounds for using. Reviewed-by: Martin Leung <Martin.Leung@xxxxxxx> Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx> Signed-off-by: Brandon Syu <Brandon.Syu@xxxxxxx> --- .../gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c | 6 ++++-- .../gpu/drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c | 6 ++++-- .../gpu/drm/amd/display/dc/gpio/dcn32/hw_factory_dcn32.c | 6 ++++-- drivers/gpu/drm/amd/display/dc/gpio/ddc_regs.h | 7 +++++++ 4 files changed, 19 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c b/drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c index 9b63c6c0cc84..e0bd0c722e00 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c +++ b/drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c @@ -138,7 +138,8 @@ static const struct ddc_sh_mask ddc_shift[] = { DDC_MASK_SH_LIST_DCN2(__SHIFT, 3), DDC_MASK_SH_LIST_DCN2(__SHIFT, 4), DDC_MASK_SH_LIST_DCN2(__SHIFT, 5), - DDC_MASK_SH_LIST_DCN2(__SHIFT, 6) + DDC_MASK_SH_LIST_DCN2(__SHIFT, 6), + DDC_MASK_SH_LIST_DCN2_VGA(__SHIFT) }; static const struct ddc_sh_mask ddc_mask[] = { @@ -147,7 +148,8 @@ static const struct ddc_sh_mask ddc_mask[] = { DDC_MASK_SH_LIST_DCN2(_MASK, 3), DDC_MASK_SH_LIST_DCN2(_MASK, 4), DDC_MASK_SH_LIST_DCN2(_MASK, 5), - DDC_MASK_SH_LIST_DCN2(_MASK, 6) + DDC_MASK_SH_LIST_DCN2(_MASK, 6), + DDC_MASK_SH_LIST_DCN2_VGA(_MASK) }; #include "../generic_regs.h" diff --git a/drivers/gpu/drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c b/drivers/gpu/drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c index 687d4f128480..36a5736c58c9 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c +++ b/drivers/gpu/drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c @@ -145,7 +145,8 @@ static const struct ddc_sh_mask ddc_shift[] = { DDC_MASK_SH_LIST_DCN2(__SHIFT, 3), DDC_MASK_SH_LIST_DCN2(__SHIFT, 4), DDC_MASK_SH_LIST_DCN2(__SHIFT, 5), - DDC_MASK_SH_LIST_DCN2(__SHIFT, 6) + DDC_MASK_SH_LIST_DCN2(__SHIFT, 6), + DDC_MASK_SH_LIST_DCN2_VGA(__SHIFT) }; static const struct ddc_sh_mask ddc_mask[] = { @@ -154,7 +155,8 @@ static const struct ddc_sh_mask ddc_mask[] = { DDC_MASK_SH_LIST_DCN2(_MASK, 3), DDC_MASK_SH_LIST_DCN2(_MASK, 4), DDC_MASK_SH_LIST_DCN2(_MASK, 5), - DDC_MASK_SH_LIST_DCN2(_MASK, 6) + DDC_MASK_SH_LIST_DCN2(_MASK, 6), + DDC_MASK_SH_LIST_DCN2_VGA(_MASK) }; #include "../generic_regs.h" diff --git a/drivers/gpu/drm/amd/display/dc/gpio/dcn32/hw_factory_dcn32.c b/drivers/gpu/drm/amd/display/dc/gpio/dcn32/hw_factory_dcn32.c index 9fd8b269dd79..985f10b39750 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/dcn32/hw_factory_dcn32.c +++ b/drivers/gpu/drm/amd/display/dc/gpio/dcn32/hw_factory_dcn32.c @@ -149,7 +149,8 @@ static const struct ddc_sh_mask ddc_shift[] = { DDC_MASK_SH_LIST_DCN2(__SHIFT, 3), DDC_MASK_SH_LIST_DCN2(__SHIFT, 4), DDC_MASK_SH_LIST_DCN2(__SHIFT, 5), - DDC_MASK_SH_LIST_DCN2(__SHIFT, 6) + DDC_MASK_SH_LIST_DCN2(__SHIFT, 6), + DDC_MASK_SH_LIST_DCN2_VGA(__SHIFT) }; static const struct ddc_sh_mask ddc_mask[] = { @@ -158,7 +159,8 @@ static const struct ddc_sh_mask ddc_mask[] = { DDC_MASK_SH_LIST_DCN2(_MASK, 3), DDC_MASK_SH_LIST_DCN2(_MASK, 4), DDC_MASK_SH_LIST_DCN2(_MASK, 5), - DDC_MASK_SH_LIST_DCN2(_MASK, 6) + DDC_MASK_SH_LIST_DCN2(_MASK, 6), + DDC_MASK_SH_LIST_DCN2_VGA(_MASK) }; #include "../generic_regs.h" diff --git a/drivers/gpu/drm/amd/display/dc/gpio/ddc_regs.h b/drivers/gpu/drm/amd/display/dc/gpio/ddc_regs.h index 308a543178a5..59884ef651b3 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/ddc_regs.h +++ b/drivers/gpu/drm/amd/display/dc/gpio/ddc_regs.h @@ -113,6 +113,13 @@ (PHY_AUX_CNTL__AUX## cd ##_PAD_RXSEL## mask_sh),\ (DC_GPIO_AUX_CTRL_5__DDC_PAD## cd ##_I2CMODE## mask_sh)} +#define DDC_MASK_SH_LIST_DCN2_VGA(mask_sh) \ + {DDC_MASK_SH_LIST_COMMON(mask_sh),\ + 0,\ + 0,\ + 0,\ + 0} + struct ddc_registers { struct gpio_registers gpio; uint32_t ddc_setup; -- 2.39.0